Which of These Statements Is Correct

question 59

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.

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