Regarding Sexual Orientation,which of the Following Statements Is FALSE

Regarding sexual orientation,which of the following statements is FALSE?

A) One theory states that during human evolution, homosexuality may have developed to reduce competition between males for a limited number of potential female mates.
B) Genetic tendencies for homosexuality may be passed from mothers to their children on the X chromosome.
C) Most lesbian and gay men were raised by heterosexual parents, while most children raised by gay or lesbian parents become heterosexual.
D) Most gay men have lower than normal adult testosterone levels, while adult lesbians have lower than normal estrogen.