Genetic diversity in honeybee colonies boosts productivity

Why do queen honeybees mate with dozens of males? Does their extreme promiscuity, perhaps, serve a purpose?

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<p><a href="http://www.physorg.com/news104131055.html">Genetic diversity in honeybee colonies boosts productivity</a></p> <p>Why do queen honeybees mate with dozens of males? Does their extreme promiscuity, perhaps, serve a purpose?</p>