mapping sex in america
ongoing archive chronicling americans' stories of sexual practice and the evolution of america's sexual customs.
posted by jmorrison on 08/17 | permalink | send entry

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posted by  on  03/12  at  01:27 AM


His work on mapping the Y-linked sex determinant in XX males led to the isolation of the mammalian sex-determining gene twenty-five years later.

posted by FREE SEX  on  07/23  at  11:35 PM