7) Which event correctly identifies the processes represented by each letter? sperm formation + ova formation --> growth of embryo A B C D

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1 Cell Division Quiz Multiple Choice Identify the choice that best completes the statement or answers the question. Read each question closely. Use the quiz to your advantage. One question may help you to answer another question. 1) What is the final result of mitosis in a human? A) genetically identical 2n somatic cells C) genetically identical 1n somatic cells B) genetically different 2n somatic cells D) genetically identical 2n gamete cells 2) The S stage of interphase of the cell cycle corresponds to. A) normal growth and cell function C) the beginning of mitosis B) the phase in which DNA is being D) final preparation before cell division replicated 3) Metaphase is characterized by. A) aligning of chromosomes on the C) cytokinesis equator B) splitting of the centromeres D) separation of sister chromatids 4) If there are 20 chromosomes in a cell at metaphase, how many chromosomes are there in each daughter cell following cytokinesis of mitosis? A) 10 C) 40 B) 20 D) 80 5) How is the arrangement of DNA different in interphase than mitosis? A) During interphase, the DNA is tightly coiled and condensed and called chromosomes. The same is true for mitosis. B) During interphase, the DNA is tightly coiled and condensed and called chromosomes. During mitosis, the DNA is loose and called chromosomes. C) During interphase, the DNA is loose and called chromatin. During mitosis thedna is tightly coiled and called chromosomes. D) During interphase, the DNA is loose and called chromosomes. During mitosis the DNA is tightly coiled and also called chromosomes. 6) Through a microscope, you can see a cell plate beginning to develop across the middle of a cell and nuclei forming on either side of the cell plate. This cell is most likely. A) an animal cell in the process of C) an animal cell in the S phase of the cell cytokinesis cycle B) a plant cell in the process of D) a plant cell in metaphase cytokinesis 7) Which event correctly identifies the processes represented by each letter? sperm formation + ova formation --> growth of embryo A B C D A) A = mitosis B = mitosis C = fertilization D= meiosis

2 B) A = meiosis B = mitosis C = meiosis D = fertilization C) A = mitosis B = meiosis C = fertilization D = mitosis D) A = meiosis B = meiosis C = fertilization D = mitosis 8) Which of the following is a true statement about sexual vs. asexual reproduction? A) Asexual reproduction, but not sexual reproduction produces offspring that are genetically diverse (different). B) Asexual reproduction, as well as, sexual reproduction produces offspring that are genetically diverse (different). C) Asexual reproduction produces offspring that are gentically identical, as well as, sexual reproduction. D) Asexual reproduction produces offspring that are genetically identical, whereas sexual reproduction produces offspring that are genetically diverse (different). 9) Which of the following is true of a species that has a chromosome number of 2n = 16? A) The species is diploid with 32 C) Each diploid cell has eight chromosomes per cell. homologous pairs. B) The species has 16 pairs of D) A gamete from this species has four chromosomes per cell. chromosomes. 10) In a human karyotype, chromosomes are arranged in 23 pairs. If we choose one of these pairs, such as pair 14, which of the following do the two chromosomes of the pair have in common? A) length and position of the centromere C) length, centromere position, and traits only coded for by their genes B) length only but not centromere D) They have nothing in common except prosition that they are X-shaped. 11) In a human karyotype, chromsomes are arranged in 23 pairs. If we choose one of these pairs, such as pair 14, what term do we use to describe the two together and where did they come from? A) sex chromosomes and one came from C) sex chromosomes and both came from the father and one came from the the mother if the individual is a female mother B) homologous chromosomes and both came from the father if the individual is a male D) homologous chromosomes and one came from the father and one came from the mother 12) If meiosis produces haploid cells, how is the diploid number restored for those organisms that spend most of their life cycle in the diploid state? A) DNA replication C) synapsis B) reverse transcription D) fertilization 13) The human X and Y chromosomes. A) are both present in every somatic cell of males and females B) are the same size and have the same number of genes C) include genes that determine an individual's sex D) are called autosomes 14) Which of these is a karyotype? A) a display of all of the cell types in an C) the appearance of an organism

3 organism B) organized images of a cell s chromosomes D) a display of a cell s mitotic stages 15) Sister chromatids separate from each other during. Read Closely! A) meiosis I only C) mitosis and meiosis I B) meiosis II only D) mitosis and meiosis II 16) Which of the following occurs in meiosis but not in mitosis? A) DNA replication C) alignment of chromosomes at the equator B) crossing over of chromosomes D) condensation of chromosomes ********************************************** For the following questions, match the key event of meiosis with the stages listed below. Use the chart to answer questions 17 and 18. I. Prophase I V. Prophase II II. Metaphase I VI. Metaphase II III. Anaphase I VII. Anaphase II IV. Telophase I VIII. Telophase II 17) Homologous chromosomes are aligned at the equator of the spindle. A) I C) IV B) II D) VI 18) Centromeres of sister chromatids disjoin and chromatids separate. A) III C) V B) IV D) VII 19) ********************************************** Somatic cells of roundworms have four individual chromosomes per cell. How many chromosomes would you expect to find in an ovum from a roundworm? A) four C) eight B) two D) a diploid number 20) Crossing over normally takes place during which of the following processes? A) meiosis II C) mitosis B) meiosis I D) mitosis and meiosis II 21) Which of the following correctly identifies the processes being represented by each letter? sperm + ova -----> zygote > baby A B C D A) A = mitosis B = mitosis C) A = meiosis B = meiosis

4 C = fertilization D = meiosis C = fertilization D = differentiation B) A = mitosis B = meiosis D) A = meiosis B = meiosis C = mitosis D = meiosis C = differentiation D = fertilization 22) ************************************ During which of the following stages will the cell divide? A) S stage C) Gap 1 stage B) Mitosis followed by Cytokinesis D) Gap 2 stage 23) Using the chart above, the stage of the cell cycle that occupies most of the cell s life is? A) cytokinesis C) interphase B) mitosis D) all are even 24) ****************************************** What is the correct sequence of the cell cycle? A) Gap 1 - Gap 2 - S - C- M C) C - Gap 1 - S - Gap 2 - M B) C - M - Gap 2 - S - Gap 1 D) Gap 1 - S - Gap 2 - M - C

5 25) Which phase of meiosis does this picture represent? How can you tell? A) prophase 1 chromatids crossed over C) telophase 1 homologous chromosomes are still together B) prophase 2 chromatids crossed over D) telophase 2 homologous chromosomes are still together 26) Which of the statements below is correct? A) the cells produced are made through mitosis and contain all of the genetic material of the mother B) if one of the cells is fertilized by a sperm, the offspring will be identical to the father C) the cells produced are made through mitosis and contain all of the genetic material of the father D) each cell will produce half of the genetic material needed to form an offspring

6 27) The diagram above demonstrates the process of crossing over. Which statement below would be true? A) The process occurs in mitosis and is the origin of new genetic combinations. B) The process occurs in meiosis and is the orignin of new genetic combinations. C) The process occurs in mitosis and produces gametes. D) The process occurs in meiosis and produces somatic cells Matching A) Mitosis Only C) Both Mitosis and Meiosis B) Meiosis Only D) Neither Mitosis nor Meiosis 1) produces 4 diploid gametes 2) growth and repair of cells 3) DNA is replicated and chromatids move to opposite poles of the cells 4) produces 4 haploid gametes for sexual reproduction 5) produces haploid somatic cells 6) chromosomes line up in the middle and cytokinesis occurs 7) produces daughter cells that are genetically identical 8) produces daughter cells that have a total of 92 chromosomes (humans)