Assume That Developing a Sixth Toe Is a Recessive Trait

question 60

Multiple Choice

Assume that developing a sixth toe is a recessive trait that is controlled by a single pair of genes.If a child has six toes,but both the child's biological parents have normal feet,you can conclude that

• A) one parent is heterozygous for the trait, and the other parent is homozygous.
• B) both parents are heterozygous for the trait in question.
• C) the child has been adopted.
• D) both parents are homozygous for the trait in question.

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Definitions:

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