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Male mice exposed to other male competitors have thicker **** bones according to a new study by researchers at The University of Western Australia, published today in Proceedings of the Royal Society B: Biological Sciences.
Ph.D. candidate and lead researcher Gonҫalo Igreja André, from UWA's School of Biological Sciences, said it was the first time a study had shown that the social environment in which males grow up could have an impact on their genital shape.
Kind - Result - Ducks - Study - Shape
"We've only ever seen this kind of result before in ducks but this is the first study to show that the shape of a mammal's genitals can vary according to the social environment in which the males mature," Mr Igreja André said.
"Sexual competition has been shown to influence sexual responses that are important for the reproductive...
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