No gay gene?

New research seems to bolster the theory that there is really no singular “gay gene”.

The researchers said thousands more genetic variants likely are involved and interact with factors that aren’t inherited, but that none of them cause the behavior nor can predict whether someone will be gay.

The research “provides the clearest glimpse yet into the genetic underpinnings of same-sex sexual behavior,” said co-author Benjamin Neale, a psychiatric geneticist at the Broad Institute in Cambridge, Massachusetts.

“We also found that it’s effectively impossible to predict an individual’s sexual behavior from their genome. Genetics is less than half of this story for sexual behavior but it’s still a very important contributing factor,” Neale said.

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