The Sphynx's unique hairlessness is largely because of a mutation within the KRT71 gene, which also affects other breeds, including the Devon Rex and Selkirk Rex, albeit with various results. This gene is to blame for the keratinization with the hair follicle. Inside the Sphynx, the mutation, often called "hr", https://accidentliabilitysupport65532.ampblogs.com/the-best-side-of-abyssinian-71713165