Patrick and Mary both have brown eyes.If their child has blue eyes,then
A) both Patrick and Mary must be carrying a recessive gene for blue eyes.
B) either Mary or Patrick must be carrying a recessive gene for blue eyes.
C) both Mary and Patrick must be carrying a dominant gene for blue eyes.
D) either Mary or Patrick must be carrying a dominant gene for blue eyes.

Question

Quizplus · Accepted Answer

both Patrick and Mary must be carrying a recessive gene for blue eyes.

Patrick and Mary Both Have Brown Eyes