> such behaviors do not actually correlate with homosexuality.

Well, they certainly *correlate*; engaging in non-conformist gender behaviors as a young child is the single best predictor of adult homosexuality (e.g. http://dbem.ws/Biological%20Correlates.pdf : "the link between childhood gender nonconformity and sexual orientation ... has been confirmed in over 50 studies"). It's also been confirmed in separated twin studies.