Micah Has Straight Hair

question 13

Multiple Choice

Micah has straight hair.If he is homozygous for the gene that determines straight hair,what is true of his parents?

• A)They must each have a recessive allele for straight hair.
• B)One must have a recessive allele for straight hair,while the other must have a dominant allele for curly hair.
• C)They must each have a recessive allele for curly hair.
• D)They must both have mutated dominant genes for straight hair.

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