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Chapter 13

Question:

Which of these statements is false?

A) In humans, each of the 22 maternal autosomes has a homologous paternal chromosome.

B) In humans, the 23rd pair, the sex chromosomes, determines whether the person is female(XX) or male (XY).

C) Single, haploid (n) sets of chromosomes in ovum and sperm unite during fertilization,forming a diploid (2n), single-celled zygote.

D) At sexual maturity, ovaries and testes produce diploid gametes by meiosis.

E) Sexual life cycles differ with respect to the relative timing of meiosis and fertilization.

Answer:

D) At sexual maturity, ovaries and testes produce diploid gametes by meiosis.



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Last update by mayur on 03/27/2014
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Chapter 13
Chapter 13
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Question: Which of these statements is false? A) In humans, each of the 22 maternal autosomes has a homologous paternal chromosome. B) In humans, the 23rd pair, the sex chromosomes, determines whether the person is female(XX) or male (XY). C) Single, haploid (n) sets of chromosomes in ovum and sperm unite during fertilization,forming a diploid (2n), single-celled zygote. D) At sexual maturity, ovaries and testes produce diploid gametes by meiosis. E) Sexual life cycles differ with respect to the relative timing of meiosis and fertilization.
Answer: D) At sexual maturity, ovaries and testes produce diploid gametes by meiosis.