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Originally Posted by faithful_servant
If homosexuality is genetic, how does it continue to be passed from generation to generation? A few "deviants" (not trying to use a term with negative connotations, simply indentifying those who deviate from thier "natural" tendencies) from their homosexual nature cannot carry on a demographic trend that is pretty consistent (2-3%).
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Italian geneticists may have explained how genes apparently linked to male homosexuality survive, despite gay men seldom having children. Their findings also undermine the theory of a single “gay gene”.
The researchers discovered that women tend to have more children when they inherit the same - as yet unidentified - genetic factors linked to homosexuality in men. This fertility boost more than compensates for the lack of offspring fathered by gay men, and keeps the “gay” genetic factors in circulation.
Survival of genetic homosexual traits explained - 13 October 2004 - New Scientist
5 selected items - PubMed Results
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Originally Posted by faithful_servant
If someone is a homosexaul, they have less of a chance of passing on a supposed homosexaul gene, than a heterosexual. Over time, homosexuality would simply breed itself out of existence, but oddly enough it hasn't.
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Gays are beneficial to society, improving its survivability aspects.
When the society over-procreates, gays can help raise some of the offspring without adding additional over-burdening of society by having their own kids.
If society were under-procreated, gays could help by having kids themselves. Just because we're not attracted doesn't mean our reproductive parts don't function.