Many Genes Influence Same-Sex Sexuality, Not a Single ‘Gay Gene’

The researchers also looked at answers to other questions in the 23andMe survey, including people’s sexual identity and what gender they fantasized about. There, they found considerable genetic overlap between those results and whether people ever engaged in same-sex sex, suggesting that these aspects of sexual orientation share common genetics, they said.

Dean Hamer, a former National Institutes of Health scientist who led the first high-profile study identifying a genetic link to being gay in 1993, said he was happy to see such a large research effort.

“Having said that, I’d like to emphasize that it’s not a gay gene study — it’s a study of what makes people have a single same-sex experience or more,” said Dr. Hamer, now an author and filmmaker. The gene he identified was on the X chromosome, one of the sex chromosomes, a

... read more at: https://www.nytimes.com/2019/08/29/science/gay-gene-sex.html

by