Gay Is Not All in the Genes | Science | AAAS - Gay twin groups male
- Views: 536 900
Across measures, heterosexual male twins responded more strongly to women than to men. Their homosexual co-twins showed an opposite pattern. Dotted lines represent group means with 95% confidence intervals. The biggest study of its kind links gay men's orientation with two regions of A genetic analysis of pairs of gay brothers, including sets of twins, has and some religious groups believe that gay people can be “treated” to.