Genotype problem?

Question

Genotype problem?
A brown-eyed man whose father was brown-eyed and whose mother was blue-eyed married a blue-eyed woman whose mother and father were both brown-eyed. The couple has a blue-eyed son. For which of the individuals mentioned can you be sure of the genotypes? What are their genotypes? What genotypes are possible for the others?

Answer 1

The brown-eyed man must be Bb because his mother was blue eyed. (Assume B=brown and b=blue for this problem, even though the accepted eye color inheritance is that it takes two pairs of genes: brown/blue and green/blue.) His father may have been either Bb or BB because the only requirement is that he gave his son one B. The other allele
can be either B or b. The brown-eyed man's mother was definitely bb.

The blue-eyed woman must be bb, and her parents must have both been Bb in order to pass a b to their daughter without being blue-eyed themselves.

The blue-eyed son was bb.

Answer 2

I think this question is loaded.

Can we really discuss genotypes, when only phenotypes are presented?

Not only that, but the phenotypes of the parents don't present an offspring with an expected phenotype.

This question probably needs to be re-examined by your teacher, if that is the person who generated it.

Best,

dumbdumb.