Question

"a man with genotype bb and a woman wth genotype BB have four children. how many of the children are likely to have blue eyes"

Answer 1

Answer:

No children will have blue eyes all of them carry brown eyes only.

Explanation:

The cross between a male with bb genotype and female with BB genotype will be as follows :

The gametes will be formed

male: b and b

female: B and B

By Punnett square:

        B          B

b       Bb        Bb

b       Bb        Bb

As all the offspring will have a heterozygous condition with dominant B (Brown) and recessive b( blue) so there are no offspring will be with the phenotype of the blue eyes.