Polydactyly is a birth defect which may affects the hands, feet, or both. It causes one or more extra fingers or toes. It can affect people, and other mammals such as dogs, and cats. What types are there? There are three types of Polydactyly: postaxial polydactyly, central polydactyly, and preaxial polydactyly. Central is just like what it sounds;…
