The new study, published July 19 in Scientific Advances, found that dogs have a few gene mutations similar to ones in humans with Williams-Beuren syndrome. One of the symptoms of this developmental disorder is a complete lack of social inhibition, which makes the person particularly outgoing and trusting.
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“We’re not saying we have found the mutation that controls sociability,” Bridgett vonHoldt, one of the authors of the study, told The Verge. “The story is far from complete.”
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