5 years ago
There’s no evidence that a ‘gay gene’ exists
Publication of the largest-ever study of the roles of genes in homosexual behavior is fanning the debate over whether being gay is due to genes or environment. First reported at a genetics conference in 2018, the study found five genetic variants associated with having a same-sex sexual partner (SN: 10/20/18). But those variants, called SNPs, don’t predict people’s sexual behavior, researchers report in the Aug. 30 Science.
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