Question

What must be the genotype of two brown-eyed parents if they give birth

to a blue-eyed child when brown eyes is dominant over blue eyes?"

Answer 1

Brown eyes + blue eyes = 50% chance of blue eyes, but only if the brown-eyed parent carries a blue-eyed gene. If not, the chance is 0% Brown eyes + brown eyes = 25%, but only if both parents carry the blue-eyed gene.

Step-by-step explanation:

Answer 2

Bb

Step-by-step explanation:

The parents must be heterozygous in order to have a child with blue eyes