Question

Each of two parents has brown eyes. They have four children. If three of the children have brown eyes and one has blue eyes, which of the following statements must be true about the parents?

A. Both parents have the brown-eyed gene.

B.Eye color has nothing to do with genetic inheritance.

C. Both parents have the blue-eyed gene.

D. Neither parent has the blue-eyed gene. ​

Answer 1

C, Both parents have the blue-eyed gene.