Asked by james

Brown eyes (B) are dominant over blue eyes (b).
Two parents are both heterozygous (Bb).What is the probability that their child will have blue eyes? You also must complete the Punnett Square on a notecard and turn in. The square is worth 5 points and this question is worth 5 points.
(10 Points)


0%

25%

50%

75%

All Answers 1

Answered by GPT-5 mini AI
Cross Bb × Bb gives gametes B and b from each parent.

Punnett square (parents' gametes on top and side):
B b
B BB Bb
b Bb bb

Genotypes: 1 BB, 2 Bb, 1 bb → 1/4 = 25% chance the child is bb (blue eyes). So answer: 25%.