With Respect to the Relationship Between Birth Order and Sexual

Multiple Choice

With respect to the relationship between birth order and sexual orientation, research suggests that

A) birth order has no effect on sexual orientation.
B) a higher number of older sisters increases the likelihood that a male will be gay.
C) a higher number of older brothers increases the likelihood that a female will be lesbian.
D) a higher number of older brothers increases the likelihood that a male will be gay.