The Sphynx's unique hairlessness is largely resulting from a mutation from the KRT71 gene, which also influences other breeds, including the Devon Rex and Selkirk Rex, albeit with distinct outcomes. This gene is responsible for the keratinization on the hair follicle. In the Sphynx, the mutation, generally known as "hr", https://lukasydsgs.blogitright.com/34289564/a-review-of-abyssinian