Beau's mother and father each carry a dominant gene for brown eyes and a recessive gene for blue eyes.The probability that Beau's eyes are blue is

Question

Quizplus · Accepted Answer

Since both parents carry a recessive gene for blue eyes, they both must have the genotype of Bb. When they produce offspring, there is a 25% chance that both parents will randomly pass on the recessive "b" gene to their child, resulting in the child having blue eyes. Therefore, the probability that Beau's eyes are blue is 25% or 0.25.

Beau's Mother and Father Each Carry a Dominant Gene for Brown