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454 Sequencing uncovers a genetic basis for different social behaviors in wasp
The presence of workers that forgo reproduction and care for their siblings is a defining feature of eusociality and a major challenge for evolutionary theory. It has been proposed that worker behavior evolved from maternal care behavior. The researchers explored this idea by studying gene expression in wasps. Gene expression in workers was more similar to foundresses, which show maternal care, than to queens and gynes.
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