in fairness ,whatever the genetics or other factors ,those who did,nt choose to be gay[eg-failed straight relationships turning to homosexual alternative]honestly believe they cannot be otherwise.
i believe penny is correct in observing that christians also have and struggle with homosexual feelings.however not all such practise homosexual behaviour.
i reckon i,m wired to be an adulterer but by Gods grace i,m faithful to my wife.not that i want to make a straight correlation as i have not had to walk in the shoes of those with homosexual feelings.

bill-i may have missed it but did you ref studies that opposed the study akenaton quoted extensively from?