When a Person Is Neither XX nor XY: A Q&A with Geneticist Eric Vilain

freeman submitted, created time 1 year 5 months (www.sciam.com)

About one in 4,500 babies show ambiguous genitalia at birth, such as a clitoris that looks like a penis, or vice versa. For the Insights story, "Going Beyond X and Y," appearing in the June 2007 issue of Scientific American, Sally Lehrman talked with noted geneticist Eric Vilain of the University of California, Los Angeles, about the biology of sex determination, gender identity and the psychology and politics behind both.

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