Another DNA study indicated that dogs originated in the Middle East due to the sharing of DNA between dogs and Middle Eastern grey wolves. In 2011, a study found this indication to be incorrect because there had been hybridization between dogs and Middle Eastern grey wolves. In 2012, a study indicated that dogs derived from wolves originating in the Middle East and Europe and this was consistent with the archaeological record. In 2014, a genomic study found that no modern wolf from any region was any more genetically closer to the dog than any other, implying that the dog's ancestor was extinct.