Question

A woman with blood type AB marries a man with blood type A whose mother had blood type

0. what is the genotypic and phenotypic ratio?​

Answer 1

Genotypes: 1/4 AA, 1/4 AO, 1/4 AB, 1/4 BO

Phenotypes: 2/4 (or 1/2) A blood type, 1/4 AB blood type, 1/4 B blood type

Step-by-step explanation:

Punnett squares ! also, O blood is recessive so AO and BO would be types A and B