Phenotypic variation of Keratin 71 mutations in humans and cats.
(A) Autosomal dominant wooly hair and hypotrichosis that is caused by KRT 71. Note the sparse eyebrow and wooly scalp hair (photo courtesy of Simomura Yukata, MD).
(B) Pure breed Sphinx cat. This phenotype is also caused by a KRT71 mutation. (photo: by User: Artourp [Own work], CC BY-SA 3.0; Available from: https://upload.wikimedia.org/wikipedia/commons/9/95/Shabbat.jpg).
(C) Selkirk Rex. The wooly hair is caused by a KRT71 mutation. (photo: Nickolas Titkov [own work], CC BY-SA 3.0; Available from: https://www.flickr.com/photos/titkov/5297138877/).