The Pennsylvania Dutch Amish have historically been a small, isolated population in the United States. Within this population, there is a different frequency of alleles than there is throughout the population of southern Germany and Switzerland from which they came. Given this information, how is it possible that polydactyly, or the condition where people have extra fingers and toes, is more common within this group? Please choose the correct answer from the following choices, and then select the submit answer button.

Polydactyly is a genetic condition where formation of extra finger or toe takes place.The extra finger or toe is called as supernumerary.

Explanation:

Polydactyly is associated with mutation in genes in their cis position Mutation in Hoxa gene also results in polydactyly.

It is associated with autosomal dominant mutation that occur in single gene.

This condition appears 1 in every 500.This is a common disorder in African black children and is more frequently found in Africans that are living in Eastern and central part.

Polydactyly is mainly affects the right toe or finger.

It is common in men.

The extra digit may be functional or not,partly formed with some bone.

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