What Causes Polydactyly?
Polydactyly, polydactylia, polydactylism or hyperdactyly is a congenital abnormality where an individual is born with more than the normal number of fingers and toes. The condition is usually inherited as a dominant abnormal gene from one parent and is passed on at birth. Persons that have polydactyly may have fully developed fingers/toes or undeveloped ones….