[lbo-talk] Re: Instinct

[Arash]

> To provide clear evidence of this claim, you would have to show that
> a particular set of genes is found in all gay people.  Twin studies
> don't help with that.  In fact, there is no genetic mapping research
> that supports your claim; it's brazen speculation.  

It is an inference drawn from the concordance of twins vs. the general
population and the family inheritance patterns of homosexuality and I do
think this is evidence, though not definitive, of a genetic prerequisite.