Genetic Regions Influencing Male Sexual Orientation Identified.

AScribe Health News Service, January, 2005

Byline: University of Illinois at Chicago

CHICAGO, Jan. 27 (AScribe Newswire) -- In the first-ever study combing the entire human genome for genetic determinants of male sexual orientation, a University of Illinois at Chicago researcher has identified several areas that appear to influence whether a man is heterosexual or gay.

The study, which is currently available online, will be published in the March issue of the biomedical journal Human Genetics.

UIC's Brian Mustanski, working with colleagues at the National Institutes of Health, found stretches of DNA that appeared to be linked to sexual orientation on three different chromosomes in the nucleus of cells of the human male.

"There is no one 'gay' gene," said Mustanski, a...

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