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The Science of Sexual Orientation


Wed Feb 07, 2018
7:00 p.m. - 8:00 p.m.
60 mins


High Park
Community Room

Scientists largely believe that same-sex orientation is determined before you are born. There must be some gene - or several genes - that cause a person to become gay, and now scientists are on the hunt for such a gene, right? Not so - scientists are now beginning to understand how complex the development of sexual orientation is.

Lindsay Coome is a graduate student of University of Toronto's Sigma Xi chapter and her work focuses not only on genes, but also on the different factors that influence sexual orientation, like the mother's immune system, the sex hormones our bodies produce, and the pressures that have shaped our species over evolutionary time.

Sigma Xi, is an international honor society dedicated to the encouragement of research in the pure and applied sciences. The University of Toronto's Sigma Xi chapter encourages scientific research and promotes a close scientific community with scientists at the university and neighbouring institutions.

For more information, please contact the branch.




Science & Technology