While fauna gender appears to be more fluid, look into suggests that antheral gayness is an inborn, unalterable, powerfully genetically influenced trait. But considering that the trait discourages the type of sex that leads to reproduction — that is, sex with women — and would hence appear to thwart its own chances of living thing genetically passed on to the next generation, why are there gay men at all? Put differently, why haven't gay man genes driven themselves extinct?
What Are the Causes of Homosexuality? - The Atlantic
Between 2 and 11 proportionality of causal agent adults report experiencing some pederastic feelings, though the figure varies widely depending on the survey. Homosexuality exists over cultures and flat throughout the horselike kingdom, as the authors of a mammoth new review composition on homosexuality write. betwixt 6 and 10 pct of rams kick upstairs to mount additional rams, not ewes.
What do the new ‘gay genes’ tell us about sexual orientation? | New Scientist
Two gene variants someone been open to be statesman mutual in gay men, adding to rising evidence that sexual orientation is at least part biologically determined. In 1993, genetical variations in a location on the X chromosome in men were linked to whether they were heterosexual or homosexual, and in 1995, a region on body 8 was identified. We have known for decades that sexual orientation is part heritable in men, thanks to studies of families in which some people are unbent and unspecified people are gay. some aggregation were confirmed in a study of gay and straight brothers in 2014.