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A baby boy is born with six toes (polydactyly) on his right foot, a trait that neither parent has but one that the paternal grandfather has. What is the best explanation for this occurrence?
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A baby boy is born with six toes (polydactyly) on his right foot, a trait that neither parent has but one that the paternal grandfather has. What is the best explanation for this occurrence?

User Lyra
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1 Answer

2 votes

Answer:

the father's phenotype results from incomplete penetrance of a dominant allele

Step-by-step explanation:

User MrHohn
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