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Selective Breeding: The Difference in Dog Breeds

Most people can name a dozen different dog breeds. Yet most people cannot name what those dog breeds were bred to do- or indeed, why different breeds exist at all. For over two decades I have been transfixed by genetics; particularly the manifestations present within domesticated dogs. More than any other species, the domestic dog has been honed into hundreds of breeds with distinct traits. I began teaching canine training classes when I was fourteen. Many clients expressed surprise or frustration their dog behaves so differently than their last. This is, I believe, due to an innate human belief that…