Kevin has blond hair, but both of his parents have brown hair. What might account for Kevin's differing phenotype from both of his parents?

Name: Kevin has blond hair, but both of his parents have brown hair. What might account for Kevin's differing phenotype from both of his parents?
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Question

Quizplus · Accepted Answer

Kevin's blond hair can be explained by dominant-recessive genes, where both parents carry a recessive allele for blond hair, which Kevin inherited from each parent, resulting in his blond phenotype.

Kevin Has Blond Hair, but Both of His Parents Have