Codominance/Multiple Alleles 1. Roan is the result of codominance in a cross between
a white and red cattle. What is the phenotype ration of
the offspring expected from a cross of two roan
cattle?
2. Could a child be born with blood type AB from
parents that have blood type A and blood type AB?
3. What is the chance that a person with blood type o
who marries a person with blood type B will have a
child that is blood type B?