Multiple Choice
Which of these statements is correct?
A) In humans, each of the 23 maternal autosomes has a homologous paternal chromosome.
B) In humans, the twenty-second pair, the sex chromosomes, determines whether the person is female (XY) or male (XX) .
C) Single, haploid (2n) sets of chromosomes in ovum and sperm unite during fertilization, forming a diploid (4n) , single-celled zygote.
D) At sexual maturity, ovaries and testes produce haploid gametes by meiosis.
Correct Answer:

Verified
Correct Answer:
Verified
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