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[–]Bright_paintingLoad, lesbian biologist 6 insightful - 1 fun6 insightful - 0 fun7 insightful - 1 fun -  (0 children)

They did selective breeding on the foxes, and so they managed to make them look and act like dogs. Those genes are not connected. (There is however a fascinating phenomenon where a bit of the genetic code gets inverted and thus the inverted genes are connected, but this isn't the mechanisms behind the fox experiment.)