Which Statement Is Correct

Multiple Choice

Which statement is correct?

A) An XY combination of sex chromosomes is a genetic male.
B) The secretion of testosterone by the fetal gonads induces the development of male external genitalia and reproductive tract.
C) The secretion of estrogen by the fetal gonads induces the development of female external genitalia and reproductive tract.
D) Both a and b
E) All of the above