You seem awfully certain about that. I wonder how much evidence there is of such cultural taboos before Judeo-Christian influence and the influences of similar religions?Spidrift wrote:Specific hang-ups about sex (get married in church first, don't screw your cousin, pretend that gay sex doesn't exist) are doubtless cultural, because culture determines how biological impulses are expressed. But the emotional weight attached to them likely comes from biology, not culture.
Homosexuality, after all, has also been widely and for a long time subject to taboo in many cultures throughout the world, so if we are going to take your logic at face value, shall we assume that we are also biologically predisposed to object to it? I propose that there is a "third variable" problem (religion) you're ignoring in favor of the conclusion you favor.