In Dog DNA, Small Size Has an Ancient Pedigree - The New York Times

* In Dog DNA, Small Size Has an Ancient Pedigree  The New York Times * Gene mutation that helps make 'toy' dog breeds so small existed in wolves 54000 years ago  Livescience.com * Yes, those tiny dogs descended from wolves  NBC News * Gene mutation that makes dogs small existed in ancient wolves  Phys.org * Big dog, little dog: mutation explains range of canine sizes  Nature.com * View Full Coverage on Google News
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