Class 12 NEET Biology Principles of Inheritance and Variation Questions Part 2

The genotype of a husband and wife are IAIB‌and‌IA‌I
Four different possible genotypes of their children are:
IAIB,IAI,IBI,IAIA
The possible number of phenotypes of their children are:
Blood group A (IAIA,IAI)
Blood group B (IBI)
Blood group AB (IAIB)