Multiple Choice
In humans,clear sex differentiation occurs not at fertilization but after the second month of gestation.What is the first event of this differentiation?
A) formation of testosterone in male embryos
B) formation of estrogens in female embryos
C) anatomical differentiation of a penis in male embryos
D) activation of the SRY gene in male embryos and development of testes
Correct Answer:
Verified
Correct Answer:
Verified
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