You do really need to read more and be more understanding and less judgement of people. You have tenured friends who are at the UofO and don't like it? Why do they stay, surely there are Universities and Colleges clamoring for their skills.
I misspoke earlier, 1 in 10 people are gay, didn't realize my error until you pointed it out re transgendered people.
Yes xx=girl and xy=boy but it doesn't stop there. Please explain how some people are born with two set of genitalia, one male and one female? Which one gets taken out surgically, who makes that decision? Christian schools don't teach that.
Explain why males and females both have nipples?