The belief that homosexuality is of genetic consequence is popular, heralded by the radical homosexual activists for political reasons. Unfortunately, it simply is false. For a quick explanation on what was found in the identical twin registry studies, I recommend the following:
http://www.narth.com/docs/whitehead2.html
Being homosexual is no different than being born with Down’s Syndrome, Spina Bifida, cleft pallet etc.
In any case, what normal person would choose to be homosexual if he/she were not?