Pollution turning turtles from boys to girls.

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Pollution turning turtles from boys to girls

Male snapping turtles in the US Great Lakes are suffering from reduced penis size and showing signs of ovulation, say researchers from the Canadian Wildlife Service of Environment Canada. Only turtles in heavily polluted areas of the lakes display the changes. Over 50 synthetic compounds have been found to affect hormone systems, among them dioxins, polychlorinated biphenyls, pesticides and certain plastics.

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