An embryo with one X and one Y chromosome will develop male characters because of
A) the presence of female hormones in development.
B) the absence of testosterone during early embryology.
C) the SRY regions of the Y chromosome.
D) maternal substances passed to the zygote during fertilization.
E) human chorionic gonadotropin.

Question

Quizplus · Accepted Answer

The SRY (Sex-determining Region Y) gene on the Y chromosome is responsible for initiating the development of male characteristics by triggering the formation of testes, which then produce male hormones like testosterone.

An Embryo with One X and One Y Chromosome Will