In humans, right-handedness dominates over left-handedness, and brown eye color dominates over blue

In humans, right-handedness dominates over left-handedness, and brown eye color dominates over blue. A right-handed brown-eyed man whose mother was left-handed with blue eyes and a right-handed blue-eyed woman whose father was left-handed marry. 1) How many different phenotypes can their children have? 2) How many different genotypes can there be among their children? 3) What is the probability (%) that this couple will have a left-handed child?

Solution.
A – right-handedness, a  – left-handedness.
B – brown eyes, b – blue eyes.
The genotype of a man is AaBb, a woman is Aabb.
Let’s make a Punnet lattice.
Answer:
fourteen
2) 7
3) 25%.