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

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Quizplus · Accepted Answer

Since Beatrice's mother and father both carry a dominant gene for brown eyes and a recessive gene for blue eyes, they both have a 75% chance of passing on the brown eye gene to their child. When both parents pass on a brown eye gene, Beatrice will have brown eyes. Therefore, the probability of Beatrice's eyes being brown is 75%.

Beatrice's Mother and Father Both Carry a Dominant Gene for Brown