Quiz 19 - amount of DNA. Question 3 Multiple Choice 0.5...

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Question 1 Multiple Choice 0.5 points Eukaryotic sexual life cycles show tremendous variation. Of the following elements, which do  all  sexual life cycles have in common? I. alternation of generations II. meiosis III. fertilization IV. gametes V. spores II, III, and IV II, IV, and V I, II, and IV I, IV, and V Question 2 Multiple Choice 0.5 points How do cells at the completion of meiosis compare with cells that have replicated their DNA and are just about to begin meiosis? They have the same number of chromosomes and half the amount of DNA They have half the number of chromosomes and half the amount of DNA. They have half the amount of cytoplasm and twice the amount of DNA They have half the number of chromosomes and one-fourth the
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Unformatted text preview: amount of DNA. Question 3 Multiple Choice 0.5 points Which of these statements is false ? In humans, the 23rd pair, the sex chromosomes, determines whether the person is female (XX) or male (XY). Sexual life cycles differ with respect to the relative timing of meiosis and fertilization. At sexual maturity, ovaries and testes produce diploid gametes by meiosis. In humans, each of the 22 maternal autosomes has a homologous paternal chromosome. Question 4 Multiple Choice 0.5 points Which of the following happens at the conclusion of meiosis I? Four daughter cells are formed. The chromosome number is conserved. Sister chromatids are separated. Homologous chromosomes are separated. A,d,c,d....
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