Researchers Have Found That Homosexual Men Tend to Have a Greater

Multiple Choice

Researchers have found that homosexual men tend to have a greater number of older brothers than heterosexual men.Which hypothesis has been proposed to account for this finding?

A) The mother's immune system is exposed to male-specific proteins during pregnancy,which then limits the amount of testosterone available during later pregnancies.
B) Parents tend to deemphasize masculinity in young sons if they already have several sons.
C) Being raised with older male brothers influences the developing sexuality of male children.
D) Younger brothers eventually inherit a gene that predisposes them to homosexuality.