Duplicate copies of a gene shared by male and female fruit flies have evolved to resolve competing demands between the sexes. New genetic analysis by researchers at the University of Chicago describes how these copies have evolved separate male- and female-specific functions that are crucial to reproduction and fertility. These changes occurred in just 200,000 years since the genes duplicated, meaning that this process can resolve selective pressures between sexes and specialize relatively quickly.
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Duplicate genes help animals resolve sexual conflict
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