Research Maps Out Evolution of Genders from Hermaphroditic Ancestors

PITTSBURGH-Research from the University of Pittsburgh published in the Nov. 20 edition of “Heredity” could finally provide evidence of the first stages of the evolution of separate sexes, a theory that holds that males and females developed from hermaphroditic ancestors. These early stages are not completely understood because the majority of animal species developed into the arguably less titillating separate-sex state too long ago for scientists to observe the transition.

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