Saturday, October 20, 2018
Geneticist says that there is no gay gene
In a large study of more than 490,000 men and women in the United States, Britain and Sweden, researchers discovered four genetic variants that occur more often in people who indicated on questionnaires that they had had same-sex sexual partners. Andrea Ganna, a geneticist at the Broad Institute of MIT and Harvard reported the results. Two of the variants were specific to men’s sexual partner choice. The other two influence sex partner choice for both men and women. Collectively, the DNA differences explained only 8% to 12% of the heritability of having same-sex partners. “There is no gay gene,” Ganna said, “but rather non-heterosexuality is influenced by many tiny-effect genetic factors.”
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I think male homosexuality is an overshoot on the r/K spectrum. That is, when genes for r-selected behavior are a bit too prevalent, men go from "I'll fuck anything female" to "I'll fuck anything human" (or worse). Why don't they also mate with women, if that's the case? Actually, half of them have, but it's generally not worth the bother when homosex is so readily available.
I present the movie "Philomena" as an example: Horny young Irish girl goes to a carnival and gets knocked up by a carny. Nuns take her baby away and give it to an American couple. Kid grows up into a gay man and dies of AIDS.
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