Question

A man has blood type AB. If a child has blood type B, what is the genotype and blood type of the mother? Is there only one possible blood type for the mother or several?

You need to answer the question by constructing Punnett square(s) and determine the resulting phenotypic percentages.

Answer 1

I think conqueror etozomic genotype AA

is correct and was 50% blood type A or AB

(if you ignore the RH)