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Asked by EnyaB on 25 Nov 2020.
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Marcello Valente answered on 25 Nov 2020:
Dear EnyaB,
Homosexuality has been observed in more complex animals and brain developed like birds and mammals.https://en.wikipedia.org/wiki/Homosexual_behavior_in_animals
We don’t know the exact nature on a genetic level but since 1993 we found some potential genetic reason in human.
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Danny Hnatyshin answered on 26 Nov 2020:
That’s a hard question to answer, it appears to be a biological feature in some individuals (not just humans). There is some research that is going on that may help us understand what controls sexual orientation at the genetic level.
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