In Humans, What Happens When the SRY Gene of the Y

Multiple Choice

In humans, what happens when the SRY gene of the Y chromosome becomes active at about week 7 of embryo development?

A) The Müllerian and Wolffian ducts both develop into female reproductive structures.
B) The Müllerian ducts develop into male reproductive structures and the Wolffian ducts disappear.
C) The Müllerian ducts disappear and the Wolffian ducts develop into male reproductive structures.
D) The Müllerian and Wolffian ducts both develop into male reproductive structures.