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[–]Q-Continuum-kin 15 insightful - 1 fun15 insightful - 0 fun16 insightful - 1 fun -  (2 children)

If every LGB person alive today suddenly died, there would still be gay and bisexual kids born tomorrow. And there would still be gay sheep (lol).

That's because of epigenetics. Men and women effectively have the same DNA aside from that single Y anomaly. Men even have a single X so we still retain whatever traits are programmed from that DNA. Epigenetics just referrs to genes that can be turned on or off. Men likely retain all of the genes which make a person male-attracted but they should be switched off.

You can't down regulate that effect too strongly or you would end up making women unattracted to men as well and the species would just die off.

[–]soundsituationI myself was once a gay 8 insightful - 1 fun8 insightful - 0 fun9 insightful - 1 fun -  (1 child)

This is so cool! Thanks for the bio lesson.

[–]Q-Continuum-kin 9 insightful - 2 fun9 insightful - 1 fun10 insightful - 2 fun -  (0 children)

Another example of a gene that you might like is that since chromosomes come in pairs you can get a 5050 effect from each pair and coincidentally the likeliest "gay gene" for gay men specifically is found on the X chromosome. The same gene is claimed to make women "more fertile" which seems like a polite way to say they want more sex from men. The gene isn't eliminated by natural selection because it creates a quantity vs quality effect for children. Only one of the mother's X chromosomes passes down to sons so they only have a 50% chance to get that male attracted gene which also needs to compete with the rest of your unknown attraction genes. The downside is counteracted by many more daughters being born and many more sons that only might be same sex attracted.