Polydactyly

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Is polydactyly hereditary?

Query: Hello doctor,My 55 years old father has six fingers in the right hand. He has an extra finger near the thumb. My sister and I have five fingers on each hand. What are the chances that my sister's child will have six fingers in a hand? Will they have any other abnormality? Could there be any other po...  Read Full »


Dr. Sumit Srivastava

Answer: Hi, Welcome to icliniq.com. Thanks for your query. Polydactyly (extra finger), is usually autosomal dominant but it could be autosomal recessive in some cases. Normally, half of the progeny from the affected parent has polydactyly. But in your case, since both the son and daughter did not have an ex...  Read Full »

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