Evolutionary biologist Frank Hailer on how the human obsession with cute-looking canines is affecting the species
Three hundred at most. A lot of breeds have been formed more recently. The concept of controlling dog breeding and defining specific breeds hasn’t been around long.There’s no scientific threshold to define a new breed – it’s the various kennel clubs who do that. So if we cross two existing breeds and make something we didn’t have before, then only let them mate with one other, theoretically, that’s a new dog breed within very few generations.
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