Homosexuals who are twins. A study of 46 probands.

Abstract

Forty-six homosexual men and women who were twins took part in a study of their sexuality and that of their co-twin. Discordance for sexual orientation in the monozygotic pairs confirmed that genetic factors are insufficient explanation of the development of sexual orientation. There was a high level of shared knowledge of sexual orientation between members… (More)

Topics

  • Presentations referencing similar topics