If two parents have brown eyes, but each of them also has a recessive gene for blue eyes in their genotype,
A. none of their children will have blue eyes.
B. there is a 1-in-4 chance that one of their children will have blue eyes.
C. there is a fifty-fifty chance one of their children will have blue eyes.
D. we cannot predict what color eyes their children will have.
Answer: B
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