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Keysha's Mother Is Homozygous for a Dominant Allele for Unattached

Question 3

Multiple Choice

Keysha's mother is homozygous for a dominant allele for unattached earlobes and her father is homozygous for a recessive allele for attached earlobes. What is true about Keysha's earlobes?


A) Keysha has a homozygous genotype.
B) Keysha's phenotype is not predictable from her genotype.
C) Keysha has attached earlobes.
D) Keysha has unattached earlobes.

Correct Answer:

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