Question

A couple with type A blood and type B blood have several children. One of the children has type o blood. What are the genotypes of the parents?ооооAl and BiAA and BBAi and BBAA and Bi

Answer 1

The only possibility that one of the children has 0 type blood is that both parents have that allele in their genotype. Then:

Thus, in this case, the correct answer is the first option.