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Sexual orientation and science Biology of gender Behavioural genetics. Successive male fetuses are then attacked by H-Y antibodies which somehow decrease the ability of H-Y antigens to perform their usual function in brain masculinisation. Sexual differentiation Autism Narcissism Schizophrenia Stroke care. Making Choices in a Diverse Society. The Science of Desire: The result also indicates that number of pregnancies, mothers of gay sons, particularly those with older brothers, had significantly higher anti-NLGN4Y levels than did the control samples of women, including mothers of heterosexual sons. They worry more about this than the consequences of choice or environmental explanations, which are not without risk either. Bailey , Nebraska Symposium on Motivation, Volume 54 p.
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Born gay or transgender: Little evidence to support innate trait

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'Gay genes': science is on the right track, we're born this way. Let’s deal with it.

If you'd like to receive them, please update your browser permissions. But scientific techniques will eventually catch up. Can Republicans Win Elections?
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