In Human Blood Type,A and B Are Codominant,producing Type AB

Multiple Choice

In human blood type,A and B are codominant,producing type AB.They are both dominant to the recessive O type.If parents had genotypes AO and BO,a child with which blood type could be theirs?

A) A child with type A blood
B) A child with type B blood
C) A child with type O blood
D) All of the above children could be theirs.