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1 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 gamete? a. 46 b. 23 c. 22 d (1 point) Which of the following best describes the genetic material a person receives from his or her father? a. 22 pairs of homologous chromosomes and an X and Y chromosome b. 22 haploid cells and an X or Y chromosome c. 23 diploid cells and an X and Y chromosome d. 22 autosomes and an X or Y chromosome 4. (1 point) Which phrase best describes the process of meiosis? a. occurs in body cells b. results in genetically identical cells c. happens only in haploid cells d. produces haploid gametes 5. (1 point) At fertilization, what happens to the sex cells? a. They retain half of their chromosomes. b. Half of the cells copy their DNA twice. c. Their nuclei fuse to form one nucleus. d. One becomes an egg, and one becomes a sperm cell. 6. (1 point) Which of the following statements is true of homologous chromosomes? a. They are exact copies. b. They contain the same genes. c. They divide during meiosis II. d. They connect to each other. 7. (1 point) Which phrase best describes meiosis I? a. duplication of paired chromosomes b. fusion of sister chromatids c. division of homologous chromosomes d. creation of two diploid cells 8. (1 point) What happens to sister chromatids in meiosis II? a. They duplicate. b. They are divided. c. They remain together. d. They do not take part. 1
2 Name: 9. (1 point) Gametogenesis is the term for a. the production of gametes. b. the fertilization of eggs. c. the development of polar bodies. d. the movement of sperm. 10. (1 point) What does an egg contribute to the embryo that a sperm does not contribute? a. polar bodies b. organelles c. DNA d. germ cells 11. (1 point) Which of the following is an example of a biological trait? a. personality b. hair style c. eye color d. regional accent 12. (1 point) Mendel began his experiments with purebred pea plants. This approach enabled him to determine that variations among offspring were the result of a. random mutations. b. self-pollination. c. genetic uniformity. d. his crossings. 13. (1 point) When Mendel crossed plants that were purebred purple-flowered with plants that were purebred white-flowered, the resulting offspring all had purple flowers. When allowed to self-pollinate, this F generation gave rise to white-flowered plants as well as purple. As a result, Mendel determined that individual traits are a. inherited as discrete units. b. diluted in offspring. c. merged with successive generations. d. lost in the pollination process. 14. (1 point) Mendel was able to identify predictable patterns of heredity. He succeeded mainly because he chose to study traits that a. were always dominant. b. tended to be recessive. c. could be diluted. d. had only two forms. 15. (1 point) Which of the following conclusions was a result of Mendel's observations? a. Organisms that give rise to purebreds are genetically superior. b. Organisms that have intermediate features are self-pollinating. c. Organisms inherit two copies of each gene, one from each parent. d. Organisms that self-pollinate do not have "either-or" features. 2
3 Name: 16. (1 point) Which phrase best describes the term genome? a. the genetic makeup of a chromosome b. the genes that make up an organism c. the location of a specific set of genes d. the sum of an organism's physical traits 17. (1 point) Hair color and eye color are examples of a person's a. recessive traits. b. dominant alleles. c. genotype. d. phenotype. 18. (1 point) When an organism has two alleles at a particular locus that are different, the organism is called a. purebred. b. dominant. c. heterozygous. d. recessive. 19. (1 point) If a pea plant were homozygous recessive for height, how would its alleles be represented? a. Tt b. TT c. tt d. tt 20. (1 point) An allele is dominant in a heterozygote when it is a. expressed and the other allele is not. b. a very common allele in a population. c. the stronger of the two alleles. d. more desirable than the other allele. 21. (1 point) What do the letters inside the grid of a Punnett square represent? a. phenotypes of parents b. genotypes of offspring c. testcrosses of offspring d. chromosomes of parents 22. (1 point) What is the probability that the offspring of a cross between a homozygous recessive parent and a heterozygous parent will be homozygous recessive? a. 1/1 b. 1/2 c. 1/4 d. 1/8 23. (1 point) The term for a cross that involves just one trait, such as pod shape, is called a a. homozygous cross. b. test cross. c. monohybrid cross. d. dihybrid cross. 3
4 Name: 24. (1 point) What is the phenotypic ratio of a monohybrid cross between two heterozygous parents? a. 3:1 b. 1:2:1 c. 9:3:3:1 d. 1:2:2:1 25. (1 point) Which of the following observations did Mendel make as a result of his experiments with dihybrid crosses? a. Dominant traits are inherited together. b. Different traits are inherited separately. c. Similar traits are inherited in pairs. d. Recessive traits are inherited unpredictably. 4
5 Meiosis Quiz Answer Section 1. ANS: C PTS: 1 REF: act0976aaf18007e0f7_81 2. ANS: B PTS: 1 REF: act0976aaf18007e0f7_89 3. ANS: D PTS: 1 REF: act0976aaf18007e0f7_97 4. ANS: D PTS: 1 REF: act0976aaf18007e0f7_ ANS: C PTS: 1 REF: act0976aaf18007e0f7_ ANS: B PTS: 1 REF: act0976aaf18007e0f9_80 7. ANS: C PTS: 1 REF: act0976aaf18007e0f9_88 8. ANS: B PTS: 1 REF: act0976aaf18007e0f9_96 9. ANS: A PTS: 1 REF: act0976aaf18007e0f9_ ANS: B PTS: 1 REF: act0976aaf18007e0f9_ ANS: C PTS: 1 REF: act0976aaf18007e0fb_ ANS: D PTS: 1 REF: act0976aaf18007e0fb_ ANS: A PTS: 1 REF: act0976aaf18007e0fb_ ANS: D PTS: 1 REF: act0976aaf18007e0fb_ ANS: C PTS: 1 REF: act0976aaf18007e0fb_ ANS: B PTS: 1 REF: act0976aaf18007e0fd_ ANS: D PTS: 1 REF: act0976aaf18007e0fd_ ANS: C PTS: 1 REF: act0976aaf18007e0fd_ ANS: C PTS: 1 REF: act0976aaf18007e0fd_ ANS: A PTS: 1 REF: act0976aaf18007e0fd_ ANS: B PTS: 1 REF: act0976aaf18007e0ff_ ANS: B PTS: 1 REF: act0976aaf18007e0ff_41 1
6 23. ANS: C PTS: 1 REF: act0976aaf18007e0ff_ ANS: A PTS: 1 REF: act0976aaf18007e0ff_ ANS: B PTS: 1 REF: act0976aaf18007e0ff_65 2
7 Meiosis Quiz [Answer Strip] _ A 9. _16. B _24. A _ C 1. _10. B _17. D _25. B _ B 2. _11. C _18. C _ D 3. _12. D _19. C _ D 4. _13. A _20. A _ C 5. _21. B _ B 6. _14. D _22. B _ C 7. _ B 8. _15. C _23. C
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