Phenotypic sex is based on a combination of genetic, anatomical and hormonal differences. While genetic differences play a role in determining sex chromosomes, anatomical and hormonal differences also contribute to the development of male or female characteristics. Therefore, option D, which includes all three factors, is the best choice.

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Phenotypic Sex

Question 16

Multiple Choice

Phenotypic sex:

A) is based solely on genetic differences
B) is based on anatomical differences
C) is based on hormonal differences
D) is based on genetic, anatomical and hormonal differences
E) cannot be determined except for genetic analysis

Correct Answer: