A member asked:

Is polydactyly in humans caused by inbreeding?

A doctor has provided 1 answer
Dr. Daniel Mass answered

Specializes in Orthopedic Surgery

No: Polydactyly can be inherited but not because of inbreeding. Ulnar (lille finger side) polydactyly is very common in african americans. Thumb polydactyl is mare common in causasians.

Answered 2/2/2014

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