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Practice+Final+-+Key - Practice Final 1 Which of the...

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Practice Final 1. Which of the following occurs during metaphase of mitosis? a. Homologous chromosomes line up on the metaphase plate. b. Sister chromosomes are pulled to opposite poles. c. Sister chromosomes line up on the metaphase plate. d. The nuclear membrane begins to break down. 2. DNA replication a. occurs during mitosis. b. creates a chromosomes with two sister chromatids. c. occurs during S phase of interphase. d. both a and b. e. both b and c. 3. During anaphase, the chromosomes are moved to opposite poles 4. Myosin and actin are used 5. Which of the following is NOT true about meiosis? 6. Crossing over a. occurs in mitosis. b. is when sister chromatids exchange genetic material. c. is when non homologous chromosomes exchange genetic material. d. is when homologous chromosomes exchange genetic material. 7. All of the following are sources of genetic diversity EXCEPT 8. Which cell type undergoes mitosis, but not meiosis? 9. In peas, purple flower color exhibits simple dominance to the white flower color. If a homozygous dominant purple flowered pea plant is crossed with a white flowered pea plant, what is the theoretical ratio of purple flowered offspring to white flowered offspring?
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10. The law of independent assortment states that a. two alleles for a characteristic are packaged into separate gametes. b. when two or more characteristics are inherited, the alleles separate into gametes independently of each other. c. crossing over switches alleles between homologous chromosomes. d. a gamete only carries one allele for a gene.
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