[ExI] sociology

John Clark johnkclark at gmail.com
Tue Mar 10 18:00:28 UTC 2020

On Sun, Mar 8, 2020 at 12:51 PM William Flynn Wallace via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

> This could mean that homosexuality should have died out  long ago if it
> was strictly genetic, right?

Perhaps but not necessarily. Each gene in your body has 2 alleles and
homosexuality could be recessive. It could be that if you have one
homosexual allele you're not a homosexual but gain an adaptive advantage of
some sort that may have nothing to do with sexual orientation, but if both
your alleles are homosexual then you'd have a tendency toward
homosexuality. But that can't be the entire story environment must play a
part too because with even with identical twins there is only a 66%
correspondence between the sexual orientation of the twins; with fraternal
twins, who are just brothers who happen to be born at the same time, the
correspondence is 30%.

 John K Clark
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