Which of the following statements is true about sex ratios?
A) Based on production of sperm, we would expect the sex ratio to be 2 males for every 1 female.
B) More females than males are conceived.
C) By 20 years of age, the ratio of males to females is 1:1.
D) About the same number of males and females are born.
E) By 60 years of age, there are more males than females.
Correct Answer:
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Q1: At what point in gestation does the
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A) non-sex chromosomes.
B) another term for
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A)
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A) is only
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Q7: Human chorionic gonadotropin (hCG)
A) nourishes the embryo.
B)
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Q11: Which of the following properties does a
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