Sex Reversal After Exposure to Atrazine (IMAGE)

University of Illinois at Urbana-Champaign, News Bureau

Sex Reversal After Exposure to Atrazine

Caption

Both of these African clawed frogs are genetically male, but lifelong exposure to the herbicide atrazine transformed the frog on the bottom to female. The frog reproduced with normal males twice.

Credit

Tyrone Hayes

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Photo may be used only to accompany stories about the research described in this news release. Please credit: Tyrone Hayes.

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