The Sphynx's exclusive hairlessness is primarily due to a mutation in the KRT71 gene, which also impacts other breeds, such as the Devon Rex and Selkirk Rex, albeit with distinctive results. This gene is responsible for the keratinization on the hair follicle. From the Sphynx, the mutation, often called "hr", https://convertiratogold78876.dailyhitblog.com/39591074/top-latest-five-russian-blue-urban-news