Battle of the sexes: Ovaries must suppress their inner male

Thursday, December 10, 2009 - 14:14 in Biology & Nature

Scientists have discovered that if a specific gene located on a non-sex chromosome is turned off, cells in the ovaries of adult female mice turn into cells typically found in testes. Their study challenges the long-held assumption that the development of female traits is a default pathway and grants a valuable insight into how sex determination evolved.

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