Which Statement About Sex Steroids and Sexual Behavior in Rats

Which statement about sex steroids and sexual behavior in rats is false?

A) Estrogen around the time of birth is not required for development of female sexual behavior.
B) Whereas sex steroids early in life determine behavioral potential, sex steroids later in life determine when a pattern of behavior will be expressed.
C) Testosterone around the time of birth is required for development of male sexual behavior.
D) Once a young male has been masculinized through exposure to testosterone, he can subsequently display sexual behavior in the absence of testosterone.
E) Testosterone around the time of birth can masculinize the nervous systems of males and females.