Question

In humans, blood type is determined by the A, B, and O alleles. The A and B alleles are codominant to each other and dominant over the O allele. An individual with the AO genotype and an individual with the BO genotype can produce offspring with which of the following phenotypes?
Responses

O only
O only

A or B only
A or B only

A, B, or O only
A, B, or O only

A, B, AB, or O

Answer 1

Correct response:

A, B, or O only