4. Show the cross between a star-eyed and a circle eyed. What are the phenotypes of the offspring? What are the genotypes?

Size: px
Start display at page:

Download "4. Show the cross between a star-eyed and a circle eyed. What are the phenotypes of the offspring? What are the genotypes?"

Transcription

1 Section: 3.6 Opening Activity: Name: Latin Root Word: Review of Old Information: Incomplete Dominance or Codominance? a)birds can be blue, white, or white with blue-tipped feathers. b) Flowers can be white, pink, or red. c) A Hoo can have curly hair, spiked hair, or a mix of both curly and spiked. d) A Sneech can be tall, medium, or short. 3. In Smileys, eye shape can be starred, circular, or a circle with a star. Write the genotypes for the pictured phenotypes 4. Show the cross between a star-eyed and a circle eyed. What are the phenotypes of the offspring? What are the genotypes? 6. A man with type AB blood is married to a woman with type O blood. What are all the possible blood types of their children? New Information: I. Sex determination i. Remember, during meiosis all chromosomes are split and each cell gets one half of a homologous pair. 1. You get half your father s chromosomes and half of your mothers. ii. This is also how it works with sex chromosomes. The sex chromosomes for humans are. 1. Female genotype is 2. Male genotype is

2 Human inheritance patterns are significantly MORE complex than that of a fruit fly. Complete the table below making sure that each inheritance pattern is defined and has an example. Inheritance Pattern Description Trait or Disorder Influenced Dominant: Multiple-allele Traits X-Linked Traits Sex Influenced Trait More than 200 traits are controlled by the autosomal dominant condition and more than 250 traits by the autosomal recessive; the single allele of a gene codes for the single trait. Traits where three or more alleles (characteristics) of the SAME gene code for a single trait. Traits or characteristics that are controlled by more than one gene. Huntington s Disease, Dwarfism, Cataracts Recessive: Albinism, Cystic Fibrosis Colorblindness, Hemophilia, Muscular Dystrophy Baldness Nondisjunction Activity: Part 1: Sex-Linkage Complete the questions using the instructions below: As many of you know boys are different than girls. In humans sex is determined by the twenty-third pair of chromosomes known as sex chromosomes. If you have two X-shaped (XX) chromosomes you are destined to be a female. If you have an X and a Y-shaped (XY) chromosomes, you are destined to be a male. Since the X and Y chromosomes carry different information, any genes found on the X chromosomes are referred to as sex-linked genes. Therefore, women will have two alleles for these genes because they have two (XX) chromosomes. On the other hand, men have only one allele for each of these genes because they have only one X chromosome (XY). Sample Problem: In fruit flies, the gene for eye color is carried on the X chromosome which is a sex chromosome (sex-linked). The allele for red eyes is dominant over the allele for white eyes. If a white-eyed female fruit fly is mated with a red-eyed male, predict the possible offspring. 1. Since the female has white eyes, she must be X r X r. The male is red-eyed and because he has only one X chromosome, he has only one allele for eye color. His eyes are red so he must be RY. means he only has one allele for eye color, so he must be X R Y. Since the allele R is present on the X chromosome only, and there is no other allele for eye color because the male other sex chromosome is a Y chromosome. 2. For sex-linked traits we need to list the genotype in a different fashion. We must identify the individual as being male or female according to their sex chromosomes. Females are XX, and males are XY. Sex-linked traits are only found on the X chromosome, therefore the letters are placed as superscripts (above) the X chromosome. Therefore the genotype for the female fly is X r X r and the male is X R Y. You can use shorthand notation rr x RY, but sometimes this can be confusing.

3 3. The Punnett square for the parent flies are shown below. X R X r X R X r X r Y X r X R X r X r Y Y 4. The genotypic ratio is 1 X R X r : 1 X r Y 5. The individual X R X r will be a female because she has two X chromosomes. She will have red eyes because she has Rr. The individual with X r Y will be a male because he has the X and Y chromosomes. He will have white eyes because he has only one allele and it is r. So from this cross you would expect all of the females to have red eyes and all of the males to have white eyes. Complete the following problem below: 1. Hemophilia is a sex-linked trait. A person with hemophilia is lacking certain proteins that are necessary for normal blood clotting. Hemophilia is caused by a recessive allele so use N for normal and n for hemophilia. Since hemophilia is sex-linked, remember a woman will have two alleles (NN or Nn or nn) but a man will have only one allele (N or n). A woman who is heterozygous (a carrier) for hemophilia marries a normal man: a. What are the genotypes of the parents? b. Make a Punnett square for the above cross. Genetics - X Linked Genes **In fruit flies, eye color is a sex linked trait. Red is dominant to white.** 1. What are the sexes and eye colors of flies with the following genotypes? X R X r X R Y X r X r X R X R X r Y 2. What are the genotypes of these flies: white eyed, male red eyed female (heterozygous) white eyed, female red eyed, male 3. Show the cross of a white eyed female X r X r with a red-eyed male X R Y.

4 4. Show a cross between a pure red eyed female and a white eyed male. What are the genotypes of the parents: and How many are: white eyed, male white eyed, female red eyed, male red eyed, female 5. Show the cross of a red eyed female (heterozygous) and a red eyed male. What are the genotypes of the parents? & How many are: white eyed, male white eyed, female red eyed, male red eyed, female Math: What if in the above cross, 100 males were produced and 200 females. How many total red-eyed flies would there be? 6. In humans, hemophilia is a sex linked trait. Females can be normal, carriers, or have the disease. Males will either have the disease or not (but they won t ever be carriers) X H X H = female, normal X H Y = male, normal X H X h = female, carrier X h X h = female, hemophiliac X h Y= male, hemophiliac Show the cross of a man who has hemophilia with a woman who is a carrier. What is the probability that their children will have the disease? 7. A woman who is a carrier marries a normal man. Show the cross. What is the probability that their children will have hemophilia? What sex will a child in the family with hemophilia be?

5 8. A woman who has hemophilia marries a normal man. How many of their children will have hemophilia, and what is their sex? Calico Cat Genetics 9. In cats, the gene for calico (multicolored) cats is codominant. Females that receive a B and an R gene have black and orange splotches on white coats (calico). Males can only be black or orange, but never calico. Here s what a calico female s genotype would look like: X B X R Show the cross of a female calico cat with a black male? What percentage of the kittens will be black and male? What percentage of the kittens will be calico and male? What percentage of the kittens will be calico and female?

Human Blood Types: Codominance and Multiple Alleles. Codominance: both alleles in the heterozygous genotype express themselves fully

Human Blood Types: Codominance and Multiple Alleles. Codominance: both alleles in the heterozygous genotype express themselves fully Human Blood Types: Codominance and Multiple Alleles Codominance: both alleles in the heterozygous genotype express themselves fully Multiple alleles: three or more alleles for a trait are found in the

More information

Heredity. Sarah crosses a homozygous white flower and a homozygous purple flower. The cross results in all purple flowers.

Heredity. Sarah crosses a homozygous white flower and a homozygous purple flower. The cross results in all purple flowers. Heredity 1. Sarah is doing an experiment on pea plants. She is studying the color of the pea plants. Sarah has noticed that many pea plants have purple flowers and many have white flowers. Sarah crosses

More information

CCR Biology - Chapter 7 Practice Test - Summer 2012

CCR Biology - Chapter 7 Practice Test - Summer 2012 Name: Class: Date: CCR Biology - Chapter 7 Practice Test - Summer 2012 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. A person who has a disorder caused

More information

Problems 1-6: In tomato fruit, red flesh color is dominant over yellow flesh color, Use R for the Red allele and r for the yellow allele.

Problems 1-6: In tomato fruit, red flesh color is dominant over yellow flesh color, Use R for the Red allele and r for the yellow allele. Genetics Problems Name ANSWER KEY Problems 1-6: In tomato fruit, red flesh color is dominant over yellow flesh color, Use R for the Red allele and r for the yellow allele. 1. What would be the genotype

More information

Heredity - Patterns of Inheritance

Heredity - Patterns of Inheritance Heredity - Patterns of Inheritance Genes and Alleles A. Genes 1. A sequence of nucleotides that codes for a special functional product a. Transfer RNA b. Enzyme c. Structural protein d. Pigments 2. Genes

More information

Name: 4. A typical phenotypic ratio for a dihybrid cross is a) 9:1 b) 3:4 c) 9:3:3:1 d) 1:2:1:2:1 e) 6:3:3:6

Name: 4. A typical phenotypic ratio for a dihybrid cross is a) 9:1 b) 3:4 c) 9:3:3:1 d) 1:2:1:2:1 e) 6:3:3:6 Name: Multiple-choice section Choose the answer which best completes each of the following statements or answers the following questions and so make your tutor happy! 1. Which of the following conclusions

More information

CHROMOSOMES AND INHERITANCE

CHROMOSOMES AND INHERITANCE SECTION 12-1 REVIEW CHROMOSOMES AND INHERITANCE VOCABULARY REVIEW Distinguish between the terms in each of the following pairs of terms. 1. sex chromosome, autosome 2. germ-cell mutation, somatic-cell

More information

GENETIC CROSSES. Monohybrid Crosses

GENETIC CROSSES. Monohybrid Crosses GENETIC CROSSES Monohybrid Crosses Objectives Explain the difference between genotype and phenotype Explain the difference between homozygous and heterozygous Explain how probability is used to predict

More information

Genetics with a Smile

Genetics with a Smile Teacher Notes Materials Needed: Two coins (penny, poker chip, etc.) per student - One marked F for female and one marked M for male Copies of student worksheets - Genetics with a Smile, Smiley Face Traits,

More information

7A The Origin of Modern Genetics

7A The Origin of Modern Genetics Life Science Chapter 7 Genetics of Organisms 7A The Origin of Modern Genetics Genetics the study of inheritance (the study of how traits are inherited through the interactions of alleles) Heredity: the

More information

The correct answer is c A. Answer a is incorrect. The white-eye gene must be recessive since heterozygous females have red eyes.

The correct answer is c A. Answer a is incorrect. The white-eye gene must be recessive since heterozygous females have red eyes. 1. Why is the white-eye phenotype always observed in males carrying the white-eye allele? a. Because the trait is dominant b. Because the trait is recessive c. Because the allele is located on the X chromosome

More information

Mendelian and Non-Mendelian Heredity Grade Ten

Mendelian and Non-Mendelian Heredity Grade Ten Ohio Standards Connection: Life Sciences Benchmark C Explain the genetic mechanisms and molecular basis of inheritance. Indicator 6 Explain that a unit of hereditary information is called a gene, and genes

More information

A trait is a variation of a particular character (e.g. color, height). Traits are passed from parents to offspring through genes.

A trait is a variation of a particular character (e.g. color, height). Traits are passed from parents to offspring through genes. 1 Biology Chapter 10 Study Guide Trait A trait is a variation of a particular character (e.g. color, height). Traits are passed from parents to offspring through genes. Genes Genes are located on chromosomes

More information

Bio EOC Topics for Cell Reproduction: Bio EOC Questions for Cell Reproduction:

Bio EOC Topics for Cell Reproduction: Bio EOC Questions for Cell Reproduction: Bio EOC Topics for Cell Reproduction: Asexual vs. sexual reproduction Mitosis steps, diagrams, purpose o Interphase, Prophase, Metaphase, Anaphase, Telophase, Cytokinesis Meiosis steps, diagrams, purpose

More information

LAB : PAPER PET GENETICS. male (hat) female (hair bow) Skin color green or orange Eyes round or square Nose triangle or oval Teeth pointed or square

LAB : PAPER PET GENETICS. male (hat) female (hair bow) Skin color green or orange Eyes round or square Nose triangle or oval Teeth pointed or square Period Date LAB : PAPER PET GENETICS 1. Given the list of characteristics below, you will create an imaginary pet and then breed it to review the concepts of genetics. Your pet will have the following

More information

Mendelian inheritance and the

Mendelian inheritance and the Mendelian inheritance and the most common genetic diseases Cornelia Schubert, MD, University of Goettingen, Dept. Human Genetics EUPRIM-Net course Genetics, Immunology and Breeding Mangement German Primate

More information

Incomplete Dominance and Codominance

Incomplete Dominance and Codominance Name: Date: Period: Incomplete Dominance and Codominance 1. In Japanese four o'clock plants red (R) color is incompletely dominant over white (r) flowers, and the heterozygous condition (Rr) results in

More information

Biology Final Exam Study Guide: Semester 2

Biology Final Exam Study Guide: Semester 2 Biology Final Exam Study Guide: Semester 2 Questions 1. Scientific method: What does each of these entail? Investigation and Experimentation Problem Hypothesis Methods Results/Data Discussion/Conclusion

More information

Phenotypes and Genotypes of Single Crosses

Phenotypes and Genotypes of Single Crosses GENETICS PROBLEM PACKET- Gifted NAME PER Phenotypes and Genotypes of Single Crosses Use these characteristics about plants to answer the following questions. Round seed is dominant over wrinkled seed Yellow

More information

Chapter 9 Patterns of Inheritance

Chapter 9 Patterns of Inheritance Bio 100 Patterns of Inheritance 1 Chapter 9 Patterns of Inheritance Modern genetics began with Gregor Mendel s quantitative experiments with pea plants History of Heredity Blending theory of heredity -

More information

MCB41: Second Midterm Spring 2009

MCB41: Second Midterm Spring 2009 MCB41: Second Midterm Spring 2009 Before you start, print your name and student identification number (S.I.D) at the top of each page. There are 7 pages including this page. You will have 50 minutes for

More information

BioBoot Camp Genetics

BioBoot Camp Genetics BioBoot Camp Genetics BIO.B.1.2.1 Describe how the process of DNA replication results in the transmission and/or conservation of genetic information DNA Replication is the process of DNA being copied before

More information

CHAPTER 15 THE CHROMOSOMAL BASIS OF INHERITANCE. Section B: Sex Chromosomes

CHAPTER 15 THE CHROMOSOMAL BASIS OF INHERITANCE. Section B: Sex Chromosomes CHAPTER 15 THE CHROMOSOMAL BASIS OF INHERITANCE Section B: Sex Chromosomes 1. The chromosomal basis of sex varies with the organism 2. Sex-linked genes have unique patterns of inheritance 1. The chromosomal

More information

PRACTICE PROBLEMS - PEDIGREES AND PROBABILITIES

PRACTICE PROBLEMS - PEDIGREES AND PROBABILITIES PRACTICE PROBLEMS - PEDIGREES AND PROBABILITIES 1. Margaret has just learned that she has adult polycystic kidney disease. Her mother also has the disease, as did her maternal grandfather and his younger

More information

Influence of Sex on Genetics. Chapter Six

Influence of Sex on Genetics. Chapter Six Influence of Sex on Genetics Chapter Six Humans 23 Autosomes Chromosomal abnormalities very severe Often fatal All have at least one X Deletion of X chromosome is fatal Males = heterogametic sex XY Females

More information

Genetic Mutations. Indicator 4.8: Compare the consequences of mutations in body cells with those in gametes.

Genetic Mutations. Indicator 4.8: Compare the consequences of mutations in body cells with those in gametes. Genetic Mutations Indicator 4.8: Compare the consequences of mutations in body cells with those in gametes. Agenda Warm UP: What is a mutation? Body cell? Gamete? Notes on Mutations Karyotype Web Activity

More information

DNA Determines Your Appearance!

DNA Determines Your Appearance! DNA Determines Your Appearance! Summary DNA contains all the information needed to build your body. Did you know that your DNA determines things such as your eye color, hair color, height, and even the

More information

Variations on a Human Face Lab

Variations on a Human Face Lab Variations on a Human Face Lab Introduction: Have you ever wondered why everybody has a different appearance even if they are closely related? It is because of the large variety or characteristics that

More information

Chromosomes, Mapping, and the Meiosis Inheritance Connection

Chromosomes, Mapping, and the Meiosis Inheritance Connection Chromosomes, Mapping, and the Meiosis Inheritance Connection Carl Correns 1900 Chapter 13 First suggests central role for chromosomes Rediscovery of Mendel s work Walter Sutton 1902 Chromosomal theory

More information

If you crossed a homozygous, black guinea pig with a white guinea pig, what would be the phenotype(s)

If you crossed a homozygous, black guinea pig with a white guinea pig, what would be the phenotype(s) Biological Principles Name: In guinea pigs, black hair (B) is dominant to white hair (b). Homozygous black guinea pig White guinea pig Heterozygous black guinea pig Genotype Phenotype Why is there no heterozygous

More information

This fact sheet describes how genes affect our health when they follow a well understood pattern of genetic inheritance known as autosomal recessive.

This fact sheet describes how genes affect our health when they follow a well understood pattern of genetic inheritance known as autosomal recessive. 11111 This fact sheet describes how genes affect our health when they follow a well understood pattern of genetic inheritance known as autosomal recessive. In summary Genes contain the instructions for

More information

Two copies of each autosomal gene affect phenotype.

Two copies of each autosomal gene affect phenotype. SECTION 7.1 CHROMOSOMES AND PHENOTYPE Study Guide KEY CONCEPT The chromosomes on which genes are located can affect the expression of traits. VOCABULARY carrier sex-linked gene X chromosome inactivation

More information

Name: Class: Date: ID: A

Name: Class: Date: ID: A Name: Class: _ Date: _ Meiosis Quiz 1. (1 point) A kidney cell is an example of which type of cell? a. sex cell b. germ cell c. somatic cell d. haploid cell 2. (1 point) How many chromosomes are in a human

More information

2 18. If a boy s father has haemophilia and his mother has one gene for haemophilia. What is the chance that the boy will inherit the disease? 1. 0% 2

2 18. If a boy s father has haemophilia and his mother has one gene for haemophilia. What is the chance that the boy will inherit the disease? 1. 0% 2 1 GENETICS 1. Mendel is considered to be lucky to discover the laws of inheritance because 1. He meticulously analyzed his data statistically 2. He maintained pedigree records of various generations he

More information

Genetics for the Novice

Genetics for the Novice Genetics for the Novice by Carol Barbee Wait! Don't leave yet. I know that for many breeders any article with the word genetics in the title causes an immediate negative reaction. Either they quickly turn

More information

B2 5 Inheritrance Genetic Crosses

B2 5 Inheritrance Genetic Crosses B2 5 Inheritrance Genetic Crosses 65 minutes 65 marks Page of 55 Q. A woman gives birth to triplets. Two of the triplets are boys and the third is a girl. The triplets developed from two egg cells released

More information

Genetics 1. Defective enzyme that does not make melanin. Very pale skin and hair color (albino)

Genetics 1. Defective enzyme that does not make melanin. Very pale skin and hair color (albino) Genetics 1 We all know that children tend to resemble their parents. Parents and their children tend to have similar appearance because children inherit genes from their parents and these genes influence

More information

DRAGON GENETICS LAB -- Principles of Mendelian Genetics

DRAGON GENETICS LAB -- Principles of Mendelian Genetics DragonGeneticsProtocol Mendelian Genetics lab Student.doc DRAGON GENETICS LAB -- Principles of Mendelian Genetics Dr. Pamela Esprivalo Harrell, University of North Texas, developed an earlier version of

More information

Mendelian Genetics in Drosophila

Mendelian Genetics in Drosophila Mendelian Genetics in Drosophila Lab objectives: 1) To familiarize you with an important research model organism,! Drosophila melanogaster. 2) Introduce you to normal "wild type" and various mutant phenotypes.

More information

Chromosomal Basis of Inheritance. Ch. 3

Chromosomal Basis of Inheritance. Ch. 3 Chromosomal Basis of Inheritance Ch. 3 THE CHROMOSOME THEORY OF INHERITANCE AND SEX CHROMOSOMES! The chromosome theory of inheritance describes how the transmission of chromosomes account for the Mendelian

More information

Terms: The following terms are presented in this lesson (shown in bold italics and on PowerPoint Slides 2 and 3):

Terms: The following terms are presented in this lesson (shown in bold italics and on PowerPoint Slides 2 and 3): Unit B: Understanding Animal Reproduction Lesson 4: Understanding Genetics Student Learning Objectives: Instruction in this lesson should result in students achieving the following objectives: 1. Explain

More information

Biology 1406 Exam 4 Notes Cell Division and Genetics Ch. 8, 9

Biology 1406 Exam 4 Notes Cell Division and Genetics Ch. 8, 9 Biology 1406 Exam 4 Notes Cell Division and Genetics Ch. 8, 9 Ch. 8 Cell Division Cells divide to produce new cells must pass genetic information to new cells - What process of DNA allows this? Two types

More information

17. A testcross A.is used to determine if an organism that is displaying a recessive trait is heterozygous or homozygous for that trait. B.

17. A testcross A.is used to determine if an organism that is displaying a recessive trait is heterozygous or homozygous for that trait. B. ch04 Student: 1. Which of the following does not inactivate an X chromosome? A. Mammals B. Drosophila C. C. elegans D. Humans 2. Who originally identified a highly condensed structure in the interphase

More information

Chapter 4 Pedigree Analysis in Human Genetics. Chapter 4 Human Heredity by Michael Cummings 2006 Brooks/Cole-Thomson Learning

Chapter 4 Pedigree Analysis in Human Genetics. Chapter 4 Human Heredity by Michael Cummings 2006 Brooks/Cole-Thomson Learning Chapter 4 Pedigree Analysis in Human Genetics Mendelian Inheritance in Humans Pigmentation Gene and Albinism Fig. 3.14 Two Genes Fig. 3.15 The Inheritance of Human Traits Difficulties Long generation time

More information

Ex) A tall green pea plant (TTGG) is crossed with a short white pea plant (ttgg). TT or Tt = tall tt = short GG or Gg = green gg = white

Ex) A tall green pea plant (TTGG) is crossed with a short white pea plant (ttgg). TT or Tt = tall tt = short GG or Gg = green gg = white Worksheet: Dihybrid Crosses U N I T 3 : G E N E T I C S STEP 1: Determine what kind of problem you are trying to solve. STEP 2: Determine letters you will use to specify traits. STEP 3: Determine parent

More information

The Genetics of Drosophila melanogaster

The Genetics of Drosophila melanogaster The Genetics of Drosophila melanogaster Thomas Hunt Morgan, a geneticist who worked in the early part of the twentieth century, pioneered the use of the common fruit fly as a model organism for genetic

More information

Baby Lab. Class Copy. Introduction

Baby Lab. Class Copy. Introduction Class Copy Baby Lab Introduction The traits on the following pages are believed to be inherited in the explained manner. Most of the traits, however, in this activity were created to illustrate how human

More information

7 th Grade Life Science Name: Miss Thomas & Mrs. Wilkinson Lab: Superhero Genetics Due Date:

7 th Grade Life Science Name: Miss Thomas & Mrs. Wilkinson Lab: Superhero Genetics Due Date: 7 th Grade Life Science Name: Miss Thomas & Mrs. Wilkinson Partner: Lab: Superhero Genetics Period: Due Date: The editors at Marvel Comics are tired of the same old characters. They re all out of ideas

More information

Lesson Plan: GENOTYPE AND PHENOTYPE

Lesson Plan: GENOTYPE AND PHENOTYPE Lesson Plan: GENOTYPE AND PHENOTYPE Pacing Two 45- minute class periods RATIONALE: According to the National Science Education Standards, (NSES, pg. 155-156), In the middle-school years, students should

More information

Can receive blood from: * I A I A and I A i o Type A Yes No A or AB A or O I B I B and I B i o Type B No Yes B or AB B or O

Can receive blood from: * I A I A and I A i o Type A Yes No A or AB A or O I B I B and I B i o Type B No Yes B or AB B or O Genetics of the ABO Blood Groups written by J. D. Hendrix Learning Objectives Upon completing the exercise, each student should be able: to explain the concept of blood group antigens; to list the genotypes

More information

Genetics Part 1: Inheritance of Traits

Genetics Part 1: Inheritance of Traits Genetics Part 1: Inheritance of Traits Genetics is the study of how traits are passed from parents to offspring. Offspring usually show some traits of each parent. For a long time, scientists did not understand

More information

BIO 184 Page 1 Spring 2013 NAME VERSION 1 EXAM 3: KEY. Instructions: PRINT your Name and Exam version Number on your Scantron

BIO 184 Page 1 Spring 2013 NAME VERSION 1 EXAM 3: KEY. Instructions: PRINT your Name and Exam version Number on your Scantron BIO 184 Page 1 Spring 2013 EXAM 3: KEY Instructions: PRINT your Name and Exam version Number on your Scantron Example: PAULA SMITH, EXAM 2 VERSION 1 Write your name CLEARLY at the top of every page of

More information

Bio 102 Practice Problems Mendelian Genetics and Extensions

Bio 102 Practice Problems Mendelian Genetics and Extensions Bio 102 Practice Problems Mendelian Genetics and Extensions Short answer (show your work or thinking to get partial credit): 1. In peas, tall is dominant over dwarf. If a plant homozygous for tall is crossed

More information

5. The cells of a multicellular organism, other than gametes and the germ cells from which it develops, are known as

5. The cells of a multicellular organism, other than gametes and the germ cells from which it develops, are known as 1. True or false? The chi square statistical test is used to determine how well the observed genetic data agree with the expectations derived from a hypothesis. True 2. True or false? Chromosomes in prokaryotic

More information

The Making of the Fittest: Natural Selection in Humans

The Making of the Fittest: Natural Selection in Humans OVERVIEW MENDELIN GENETIC, PROBBILITY, PEDIGREE, ND CHI-QURE TTITIC This classroom lesson uses the information presented in the short film The Making of the Fittest: Natural election in Humans (http://www.hhmi.org/biointeractive/making-fittest-natural-selection-humans)

More information

X Linked Inheritance

X Linked Inheritance X Linked Inheritance Information for Patients and Families 2 X linked Inheritance The following will give you information about what X linked inheritance means and how X linked conditions are inherited.

More information

Genetics Module B, Anchor 3

Genetics Module B, Anchor 3 Genetics Module B, Anchor 3 Key Concepts: - An individual s characteristics are determines by factors that are passed from one parental generation to the next. - During gamete formation, the alleles for

More information

Recovering the Romanovs

Recovering the Romanovs Recovering the Romanovs ACTIVITY 1 The Romanov Family: Screen #4 Inheritance of a Sex-linked Trait Key: H=normal allele; h=hemophilia allele; X=X chromosome; Y=Y chromosome 1. Use a Punnett square to show

More information

The Developing Person Through the Life Span 8e by Kathleen Stassen Berger

The Developing Person Through the Life Span 8e by Kathleen Stassen Berger The Developing Person Through the Life Span 8e by Kathleen Stassen Berger Chapter 3 Heredity and Environment PowerPoint Slides developed by Martin Wolfger and Michael James Ivy Tech Community College-Bloomington

More information

Hardy-Weinberg Equilibrium Problems

Hardy-Weinberg Equilibrium Problems Hardy-Weinberg Equilibrium Problems 1. The frequency of two alleles in a gene pool is 0.19 (A) and 0.81(a). Assume that the population is in Hardy-Weinberg equilibrium. (a) Calculate the percentage of

More information

Meiosis is a special form of cell division.

Meiosis is a special form of cell division. Page 1 of 6 KEY CONCEPT Meiosis is a special form of cell division. BEFORE, you learned Mitosis produces two genetically identical cells In sexual reproduction, offspring inherit traits from both parents

More information

Test Two Study Guide

Test Two Study Guide Test Two Study Guide 1. Describe what is happening inside a cell during the following phases (pictures may help but try to use words): Interphase: : Consists of G1 / S / G2. Growing stage, cell doubles

More information

EXERCISE 11 MENDELIAN GENETICS PROBLEMS

EXERCISE 11 MENDELIAN GENETICS PROBLEMS EXERCISE 11 MENDELIAN GENETICS PROBLEMS These problems are divided into subdivisions composed of problems that require application of a specific genetic principle. These problems are intended to complement

More information

Genetics Test Biology I

Genetics Test Biology I Genetics Test Biology I Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Avery s experiments showed that bacteria are transformed by a. RNA. c. proteins.

More information

Reebops. A model organism for teaching genetic concepts

Reebops. A model organism for teaching genetic concepts A model organism for teaching genetic concepts The activity helps to demonstrate how genetics is responsible both for similarities and variation among members of the same species. are imaginary organisms

More information

XII. Biology, Grade 10

XII. Biology, Grade 10 XII. Biology, Grade 10 Grade 10 Biology Pilot Test The spring 2004 Grade 10 MCAS Biology Test was based on learning standards in the Biology content strand of the Massachusetts Science and Technology/Engineering

More information

AP Biology PowerPoint Notes Chapter 11 & 12 Patterns of Heredity and Human Genetics

AP Biology PowerPoint Notes Chapter 11 & 12 Patterns of Heredity and Human Genetics AP Biology PowerPoint Notes Chapter 11 & 12 Patterns of Heredity and Human Genetics Mendelism and Genotype Genotype must be considered an integrated whole of all the genes because genes often work together

More information

Bio 102 Practice Problems Mendelian Genetics: Beyond Pea Plants

Bio 102 Practice Problems Mendelian Genetics: Beyond Pea Plants Bio 102 Practice Problems Mendelian Genetics: Beyond Pea Plants Short answer (show your work or thinking to get partial credit): 1. In four-o'clock flowers, red flower color (R) is incompletely dominant

More information

LAB 11 Drosophila Genetics

LAB 11 Drosophila Genetics LAB 11 Drosophila Genetics Introduction: Drosophila melanogaster, the fruit fly, is an excellent organism for genetics studies because it has simple food requirements, occupies little space, is hardy,

More information

Genetic Disorder Brochure Project

Genetic Disorder Brochure Project Genetic Disorder Brochure Project (modified from a project found on the Robbinsdale School District website) Overview Create a tri-fold brochure for a doctor s office waiting room. The brochure should

More information

MCAS Biology. Review Packet

MCAS Biology. Review Packet MCAS Biology Review Packet 1 Name Class Date 1. Define organic. THE CHEMISTRY OF LIFE 2. All living things are made up of 6 essential elements: SPONCH. Name the six elements of life. S N P C O H 3. Elements

More information

12.1 The Role of DNA in Heredity

12.1 The Role of DNA in Heredity 12.1 The Role of DNA in Heredity Only in the last 50 years have scientists understood the role of DNA in heredity. That understanding began with the discovery of DNA s structure. In 1952, Rosalind Franklin

More information

Marrying a relative. Is there an increased chance that a child will have genetic problems if its parents are related to each other?

Marrying a relative. Is there an increased chance that a child will have genetic problems if its parents are related to each other? Marrying a relative Is there an increased chance that a child will have genetic problems if its parents are related to each other? The simple answer to this question is Yes, there is an increased chance.

More information

About The Causes of Hearing Loss

About The Causes of Hearing Loss About 1 in 500 infants is born with or develops hearing loss during early childhood. Hearing loss has many causes: some are genetic (that is, caused by a baby s genes) or non-genetic (such as certain infections

More information

somatic cell egg genotype gamete polar body phenotype homologous chromosome trait dominant autosome genetics recessive

somatic cell egg genotype gamete polar body phenotype homologous chromosome trait dominant autosome genetics recessive CHAPTER 6 MEIOSIS AND MENDEL Vocabulary Practice somatic cell egg genotype gamete polar body phenotype homologous chromosome trait dominant autosome genetics recessive CHAPTER 6 Meiosis and Mendel sex

More information

UNIT 13 (OPTION) Genetic Abnormalities

UNIT 13 (OPTION) Genetic Abnormalities Unit 13 Genetic Abnormailities 1 UNIT 13 (OPTION) Genetic Abnormalities Originally developed by: Hildur Helgedottir RN, MN Revised (2000) by: Marlene Reimer RN, PhD, CCN (C) Associate Professor Faculty

More information

Population Genetics and Multifactorial Inheritance 2002

Population Genetics and Multifactorial Inheritance 2002 Population Genetics and Multifactorial Inheritance 2002 Consanguinity Genetic drift Founder effect Selection Mutation rate Polymorphism Balanced polymorphism Hardy-Weinberg Equilibrium Hardy-Weinberg Equilibrium

More information

Gene Mapping Techniques

Gene Mapping Techniques Gene Mapping Techniques OBJECTIVES By the end of this session the student should be able to: Define genetic linkage and recombinant frequency State how genetic distance may be estimated State how restriction

More information

Sexual Reproduction. The specialized cells that are required for sexual reproduction are known as. And come from the process of: GAMETES

Sexual Reproduction. The specialized cells that are required for sexual reproduction are known as. And come from the process of: GAMETES Sexual Reproduction Sexual Reproduction We know all about asexual reproduction 1. Only one parent required. 2. Offspring are identical to parents. 3. The cells that produce the offspring are not usually

More information

A and B are not absolutely linked. They could be far enough apart on the chromosome that they assort independently.

A and B are not absolutely linked. They could be far enough apart on the chromosome that they assort independently. Name Section 7.014 Problem Set 5 Please print out this problem set and record your answers on the printed copy. Answers to this problem set are to be turned in to the box outside 68-120 by 5:00pm on Friday

More information

Genetics Review for USMLE (Part 2)

Genetics Review for USMLE (Part 2) Single Gene Disorders Genetics Review for USMLE (Part 2) Some Definitions Alleles variants of a given DNA sequence at a particular location (locus) in the genome. Often used more narrowly to describe alternative

More information

Ringneck Doves. A Handbook of Care & Breeding

Ringneck Doves. A Handbook of Care & Breeding Ringneck Doves A Handbook of Care & Breeding With over 100 Full Color Photos, Including Examples and Descriptions of 33 Different Colors and Varieties. K. Wade Oliver Table of Contents Introduction, 4

More information

Mitosis, Meiosis and Fertilization 1

Mitosis, Meiosis and Fertilization 1 Mitosis, Meiosis and Fertilization 1 I. Introduction When you fall and scrape the skin off your hands or knees, how does your body make new skin cells to replace the skin cells that were scraped off? How

More information

Blood Stains at the Crime Scene Forensic Investigation

Blood Stains at the Crime Scene Forensic Investigation Blood Stains at the Crime Scene Forensic Investigation Introduction Blood stains at a crime scene can be crucial in solving the crime. Numerous analytical techniques can be used to study blood stains.

More information

Scheme of work Cambridge IGCSE Biology (0610)

Scheme of work Cambridge IGCSE Biology (0610) Scheme of work Cambridge IGCSE Biology (0610) Unit 8: Inheritance and evolution Recommended prior knowledge Basic knowledge of Unit 1 cell structure is required, and also an understanding of the processes

More information

Saffiyah Y. Manboard Biology Instructor Seagull Alternative High School Saffiyah.manboard@browardschools.com

Saffiyah Y. Manboard Biology Instructor Seagull Alternative High School Saffiyah.manboard@browardschools.com The Effect of Discovery Learning through Biotechnology on the Knowledge and Perception of Sickle Cell Anemia and It s Genetics on Lower Income Students Saffiyah Y. Manboard Biology Instructor Seagull Alternative

More information

Each person normally has 23 pairs of chromosomes, or 46 in all. We inherit one chromosome per pair from our mother and one from our father.

Each person normally has 23 pairs of chromosomes, or 46 in all. We inherit one chromosome per pair from our mother and one from our father. AP Psychology 2.2 Behavioral Genetics Article Chromosomal Abnormalities About 1 in 150 babies is born with a chromosomal abnormality (1, 2). These are caused by errors in the number or structure of chromosomes.

More information

P1 Gold X Black. 100% Black X. 99 Black and 77 Gold. Critical Values 3.84 5.99 7.82 9.49 11.07 12.59 14.07 15.51

P1 Gold X Black. 100% Black X. 99 Black and 77 Gold. Critical Values 3.84 5.99 7.82 9.49 11.07 12.59 14.07 15.51 Questions for Exam I Fall 2005 1. Wild-type humbugs have no spots, have red eyes and brown bodies. You have isolated mutations in three new autosomal humbug genes. The mutation Sp gives a dominant phenotype

More information

Genetics Lecture Notes 7.03 2005. Lectures 1 2

Genetics Lecture Notes 7.03 2005. Lectures 1 2 Genetics Lecture Notes 7.03 2005 Lectures 1 2 Lecture 1 We will begin this course with the question: What is a gene? This question will take us four lectures to answer because there are actually several

More information

Activity 4 Probability, Genetics, and Inheritance

Activity 4 Probability, Genetics, and Inheritance Activity 4 Probability, Genetics, and Inheritance Objectives After completing this activity students will understand basic probability and single-gene inheritance. Students will be able to predict expected

More information

AP: LAB 8: THE CHI-SQUARE TEST. Probability, Random Chance, and Genetics

AP: LAB 8: THE CHI-SQUARE TEST. Probability, Random Chance, and Genetics Ms. Foglia Date AP: LAB 8: THE CHI-SQUARE TEST Probability, Random Chance, and Genetics Why do we study random chance and probability at the beginning of a unit on genetics? Genetics is the study of inheritance,

More information

Bio 102 Practice Problems Genetic Code and Mutation

Bio 102 Practice Problems Genetic Code and Mutation Bio 102 Practice Problems Genetic Code and Mutation Multiple choice: Unless otherwise directed, circle the one best answer: 1. Beadle and Tatum mutagenized Neurospora to find strains that required arginine

More information

1 Mutation and Genetic Change

1 Mutation and Genetic Change CHAPTER 14 1 Mutation and Genetic Change SECTION Genes in Action KEY IDEAS As you read this section, keep these questions in mind: What is the origin of genetic differences among organisms? What kinds

More information

Type A carbohydrate molecules on their red blood cells. Type B carbohydrate molecules on their red blood cells

Type A carbohydrate molecules on their red blood cells. Type B carbohydrate molecules on their red blood cells Using Blood Tests to Identify Babies and Criminals Copyright, 2010, by Drs. Jennifer Doherty and Ingrid Waldron, Department of Biology, University of Pennsylvania 1 I. Were the babies switched? Two couples

More information

Using Blood Tests to Identify Babies and Criminals

Using Blood Tests to Identify Babies and Criminals Using Blood Tests to Identify Babies and Criminals Copyright, 2012, by Drs. Jennifer Doherty and Ingrid Waldron, Department of Biology, University of Pennsylvania 1 I. Were the babies switched? Two couples

More information

NATIONAL SENIOR CERTIFICATE GRADE 12

NATIONAL SENIOR CERTIFICATE GRADE 12 NATIONAL SENIOR CERTIFICATE GRADE 12 LIFE SCIENCES P2 FEBRUARY/MARCH 2015 MEMORANDUM MARKS: 150 This memorandum consists of 12 pages. Life Sciences/P2 2 DBE/Feb. Mar. 2015 PRINCIPLES RELATED TO MARKING

More information

Chapter 13: Meiosis and Sexual Life Cycles

Chapter 13: Meiosis and Sexual Life Cycles Name Period Concept 13.1 Offspring acquire genes from parents by inheriting chromosomes 1. Let s begin with a review of several terms that you may already know. Define: gene locus gamete male gamete female

More information

Laboratory Procedure Manual. Rh Phenotyping

Laboratory Procedure Manual. Rh Phenotyping Exercise 4 Textbook: Quinley, Chapter 8 Skills: 20 Points Objectives:. State the antigens of the Rh blood group system. 2. Define the terms dominant, codominant, heterozygous, and homozygous as they relate

More information

Cystic Fibrosis Webquest Sarah Follenweider, The English High School 2009 Summer Research Internship Program

Cystic Fibrosis Webquest Sarah Follenweider, The English High School 2009 Summer Research Internship Program Cystic Fibrosis Webquest Sarah Follenweider, The English High School 2009 Summer Research Internship Program Introduction: Cystic fibrosis (CF) is an inherited chronic disease that affects the lungs and

More information

Basic Concepts Recombinant DNA Use with Chapter 13, Section 13.2

Basic Concepts Recombinant DNA Use with Chapter 13, Section 13.2 Name Date lass Master 19 Basic oncepts Recombinant DN Use with hapter, Section.2 Formation of Recombinant DN ut leavage Splicing opyright lencoe/mcraw-hill, a division of he Mcraw-Hill ompanies, Inc. Bacterial

More information