How exactly is it possible for an only child or oldest siblings to be non straight?

submitted by jacques1102 from self.TumblrInAction

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[–]fuck_redditThou/Thee/Thy 3 insightful - 1 fun3 insightful - 0 fun4 insightful - 1 fun -  (1 child)

I recently heard a similar theory. There’s supposedly a few different genes that correlate with being gay: have all or most of them, and you’re gay. The interesting thing is, the more you have while still remaining straight: the more kids you have, on average. Some posit these “gay” genes help men relate to women up until they make people gay. It would be an example of heterozygote advantage, where having 0% or 100% of something is less advantageous than having 25-75% of something

[–]LyingSpirit472 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (0 children)

Yeah. I heard there's a few big genes that can correllate: The "Bi gene" (likeliness of bisexuality), Intersex gene (same for intersex), Gay gene (as said), Cancer genex2 (double the likeliness of cancer eventually forming), Ovum gene (sometimes the gene that produces egg cells shows up in a man), and Keratin gene (the more your hair/skin/nails has, the likelier it will be.)

So really, whichever of your kids is likeliest to get BIG-COCK early in their life will end up gay. It's science.