Are you born gay or lesbian

In other words, the question of the efficacy of conversion therapies is a non-issue. The question of what leads to homosexuality in the first place, however, is obscure, even to the experts. True, various eye-grabbing headlines over the years have claimed that some scientists have found something like The Gay Gene.

Are we born straight or gay?

The handful of genetic studies conducted in the past few decades have looked at only a few hundred individuals at most—and almost exclusively men. Other studies have linked sexual orientation with environmental factors such as hormone exposure before birth and having older brothers.

‘I am gay – but I wasn’t born this way’

Our best estimate of the magnitude of genetic effects is moderate—certainly not overwhelming…. Within the UK, gay campaigners have long acknowledged this. There is a major problem with gay gene theory, and with all theories that posit the biological programming of sexual orientation.

“Born That Way” No More: The New Science of Sexual Orientation

Strikingly, the low heritability of sexual orientation found in the Ganna study is identical to that of another landmark genetic study —an exhaustive meta-analysis of virtually all twin studies ever performed, by a team of scientists led by Tinca Polderman—that was published four years ago in the journal Nature.