Recycling old genes to get new traits — How social behavior evolves in bees

A team working at the Smithsonian Tropical Research Institute (STRI) found evidence to support a long-debated mode of evolution, revealing how evolution captures environmental variation to teach old genes new tricks: Sweat bees switch from solitary to social behavior, repurposing ancient sets of genes that originally evolved to regulate the development of other traits. Honeybees,…

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