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Dog gene heeds call of the wild

Wolves may inherit their coat color from their domesticated cousins

Dogs flash back to their wild ancestry when they howl inexplicably at the full moon or pace a circle before lying down. These behaviors may be vestiges of the dogs’ early days as wolves. But new research shows that some wild wolves probably inherited a trait from their domesticated cousins. Black wolves received a gene for coat color from domesticated dogs through interspecies breeding, suggests research in the Feb. 6 Science.

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