Question

Brown is the dominant eye color for humans. If a father and a mother each carry a gene for brown eyes and a gene for blue eyes what is the probability Of there kid having a child with brown eyes.
A. 3/4
B. 1/4
C. 1/2
D. 1

Answer 1

Punnet squares
If both parents have the gen for brown and blue eyes, they are considered heterozygous (one dominant allele, and one recessive allele)
so both parents are

Answer 2

Bb
B is dominant for brown eyes
b is recessive for blue eyes
so set up the punnet square

Answer 3

You are looking for the number out of four, a child can have homozygous recessive bb