Question

What is the chance for a blue eyed mom to have a blue eyed baby IF their spouse has brown eyes?

Answer 1

around a 50% percent chance

Answer 2

Therefore, two brown-eyed partners can birth a blue-eyed baby. Here are the possibilities: Blue eyes + blue eyes = 100% chance of blue eyes. Brown eyes + blue eyes = 50% chance of blue eyes, but only if the brown-eyed parent carries a blue-eyed gene.