Melinda and Joseph both have brown eyes, but their child has blue eyes. This shows that
A) both Melinda and Joseph are carrying a recessive gene for blue eyes.
B) either Melinda or Joseph is carrying a recessive gene for blue eyes.
C) both Melinda and Joseph are carrying a dominant gene for blue eyes.
D) either Melinda or Joseph is carrying a dominant gene for blue eyes.

Question

Quizplus · Accepted Answer

Brown eyes are typically a dominant trait, while blue eyes are recessive. For a child to have blue eyes when both parents have brown eyes, each parent must carry one recessive gene for blue eyes.

Melinda and Joseph Both Have Brown Eyes, but Their Child