The male and female reproductive systems begin as an indifferent stage. If testosterone is present, which of the following occurs?
A. The paramesonephric duct forms the vagina.
B. The mesonephric ducts form the ductus deferens.
C. The mesonephric ducts atrophy.
D. The paramesonephric ducts enlarge to form the scrotum.
E. The paramesonephric duct atrophies.
B
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