The copied gene that gave dachshunds and corgis their short legs

Not Exactly Rocket Science
By Ed Yong
Jul 16, 2009 10:00 PMJun 28, 2023 8:03 PM

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Compare the elegant grace of a running wolf with the comical shuffle of a waddling dachshund, and you begin to understand what millennia of domestication and artificial selection can do to an animal. As dachshunds develop, the growing tips of their limb bones harden early, stunting their growth and leading to a type of dwarfism called chondrodysplasia. The same applies to at least 19 modern breeds including corgis, Pekingese and basset hounds, all of which have very short, curved legs.

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