Some Evidence of a Biological Basis for Sexual Orientation Comes

Multiple Choice

Some evidence of a biological basis for sexual orientation comes from research that has found that

A) female twins are more likely to become homosexuals than male twins.
B) having an older brother increases the odds of homosexuality in later-born males.
C) a gene associated with sexual preference has been identified by the researchers on the Human Genome Project.
D) children first begin to self-identify as homosexual during the latency period.