The Scottish Fold's Ear Cartilage: Why the Fold Mutation Carries a Genetic Cost The Scottish Fold's cute ears are caused by a genetic mutation that attacks the cat's entire skeleton. Learn why the fold carries a painful, lifelong health cost.
The Scottish Fold Ears: The Dominant Mutation Behind the Fold Scottish fold genetics trace back to a single 1961 mutation that folds the ears, but also causes a painful skeletal condition most owners never see coming.