Question

Brown eyes are dominant over blue eyes in humans. What is the likelihood of two blue-eyed parents having a brown-eyed child?
A. 0
B. 0.25
C. 0.5
D. 1

Answer 1

What do YOU think?

Answer 2

C or D

Answer 3

I thought it was be but i already got it wrong.

Answer 4

You might notice that: since brown eyes are dominant allele, someone with blues must have no brown eye allele. As such two blues must not have any brown eye allele in their genes.
I.e. If their child has brown eye, one of them cheated. LOL
Do you need further help?