June 13, 2012

Why Are There Gay Men?

Natalie Wolchover, Life's Little Mysteries


AP Photo

While female sexuality appears to be more fluid, research suggests that male gayness is an inborn, unalterable, strongly genetically influenced trait. But considering that the trait discourages the type of sex that leads to procreation — that is, sex with women — and would therefore seem to thwart its own chances of being 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?

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TAGGED: Homosexuality, Gays, X Chromosome

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