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'Atrazine, one of the most widely-used weedkillers, can turn male frogs into females, researchers reported on Monday. “Atrazine-exposed males were both demasculinized (chemically castrated) and completely feminized as adults,” Tyrone Hayes of the
University of California Berkeley and colleagues wrote in the Proceedings of the National Academy of Sciences. The atrazine can turn male frogs into females that are able to mate and successfully reproduce.
Previously the chemical had been shown to disrupt development and create hermaphroditism in frogs, whereby they develop both male and female features. This latest study of 40 male frogs shows the process can go even further, Hayes said. “Atrazine has caused a hormonal imbalance that has made them develop into the wrong sex, in terms of their genetic constitution.'Read more...
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