Question

"Brown eyes are dominant over blue eyes. If two brown eyed parents have a child with blue eyes, what does it mean about the parent’s genotype?"

Answer 1

Answer:

Because brown (B) is dominant over blue (b). Two parents who are Bb and so have brown eyes each have a 50% chance of passing a b to their child. ... By the old genetic rules, two blue-eyed parents would both be bb and so could only pass b to their kids.

Explanation: