The Sphynx's exclusive hairlessness is mainly because of a mutation within the KRT71 gene, which also has an effect on other breeds, like the Devon Rex and Selkirk Rex, albeit with unique results. This gene is responsible for the keratinization on the hair follicle. While in the Sphynx, the mutation, https://insurance-claims-assistan90001.blogocial.com/top-latest-five-russian-blue-urban-news-69904719