Homosexuality is not genetic

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By Tina Hesman Saey. Many workers in human sexuality have tried to discover causes of sexual orientation. By Ian Randall For Mailonline. But biology does in part determine sexual orientation. Homosexuality was considered a mental illness when Richard Pillard was in medical school.

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No single gene associated with being gay

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Few aspects of human biology are as complex—or politically fraught—as sexual orientation.

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The relationship between biology and sexual orientation is a subject of research. Your email address is used to log in and will not be shared or sold. Inresearchers discovered a stretch of DNA on the X chromosome they believed to be linked to male homosexuality. How do genes influence our sexuality? Please refresh the page and retry.

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