6.Polydactyly is an inherited trait that results in extra fingers or toes. In th

Question

6.Polydactyly is an inherited trait that results in extra fingers or toes. In the United States 0.1% of the population exhibits polydactyly. People with polydactyly have the genotype Pp, where P represents the allele that causes polydactyly and p represents the normal allele of this gene. Which of the following is true?

        A.     

There is not enough information to answer this question.

        B.     

The two alleles, P and p are at approximately equal frequencies in the US population.

        C.     

The P allele is less frequent in the US than the p allele.

        D.    

The P allele is more frequent in the US than the p allele.

Explanation / Answer

C.     

The P allele is less frequent in the US than the p allele.

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