The Key Factor That Determines Whether the Undifferentiated Gonads Develop

Multiple Choice

The key factor that determines whether the undifferentiated gonads develop into testes is the

A) gene Sry located on the Y chromosome.
B) secretion of testosterone from the adrenals.
C) gene Sry located on the X chromosome.
D) 21st pair of chromosomes.
E) secretion of androgens from the gonads.