Then explain why religion, moral and biological bases would render an argument immune to bigotry. Because your statement of how a religiously, morally or biologically based argument couldn't be bigoted sounded pretty universal.
And when you're ready to try to explain what relevance human biology has to a valid marriage, I'd be happy to start disassembling that misconception for you too.
before we start please go to your local library and check out a biology 101 text and read the chapter on reproduction in mammals. Yes, not all marriages result in conception, but thats not the point.
Human beings were not designed for penis/anus sex or two females fingering each other.
Lets face reality here, this is about aberant homosexual sexual activity.
The gay agenda is not about equality, discrimination, or "fairness". its about using the government to force societal acceptance of an abnormal lifestyle that a vast majority of human beings in the world find morally wrong.