Part 1 of Essay
"Our result says that genes are involved in male sexual orientations, although they certainly do not determine a person's sexual orientation," said Dean Hamer, an author of the study. (St.Louis Dispatch) The growing fad to closely examine gay men and lesbians to find out what causes their emotional and sexual orientation t ....

Part 2 of Essay
.... sexuality and brain structure. His studies are often used to help the scientific community to build their own ideas. “Time and again I have been described as someone who ‘proved that homosexuality is genetic’…I did not” Simon LeVay in The Sexual Brain, p.122 (qtd. In What Causes Homosexuality, p. 23) The neuroscientist, LeVay, conducted a study of the brains of corpses, which included 6 women, 19 homosexual males and 16 straight men. In the process of conducting his examination, he found a small area of the br ....