Researchers looked at the genetic makeup of over 475,000 people.
cohort and consenting customers of 23andMe, a genetic testing service.The team found five loci—or the position of a gene on a chromosome—associated with same-sex attraction. The loci had small individual effects, spread across the genome, which partly overlapped in females and males, they explained. But the team said these couldn't meaningfully predict a person's sexual behavior.
"There is certainly no single genetic determinant ," they wrote."Our findings provide insights into the genetics underlying same-sex sexual behavior and underscore the complexity of sexuality."traits, sexuality is influenced by a range of genetic variants which can't be picked up in the sample size, they said.
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