kasey simpson wrote:
Some research has been done post mortem on the brainsThere are studies that suggest it is inate.
of gay males. There are differences between homosexual
and none homosexual males brains. However the studies are
very inconclusive. No significant studies have been done
on females.
IF it was just down to 'environment', it is highly unlikely that you get more than one in a group of siblings. The biggest hint that is genteic is the fact that are groups of siblings where the incidence of homosexuality is high.