Olga is married for the second time. her first husband was blood type a and her child by that marriage was type o. her new husband is type b and their child is type ab. what is olga's genotype and blood type?

Olga has blood group type A with genotype IAi (heterozygous)

Explanation:

First Marriage:

Second Marriage:

Olga genotype is heterozygous (IAi) this is why her children are having different blood group types.

sadness is not good

explanation:

this would be a math