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Anonymous
>>412373
this type of dog is called a "bully whippet", and it is produced when you breed whippets with a homozygous mutation in genes that produces myostatin, a protein that limits muscle growth. Without any myostatin, the dogs' muscles are free to grow all over the damn place. Pretty cool, huh?
Oh, there's also a boy in Germany that was born with this kind of genetic mutation, and he is completely normal health-wise besides being extremely muscular.
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