Human blood has four phenotypes: A, B, AB, and O. The genes for A and B are dominant, while O is recessive. If a person has AB blood type, what inheritance pattern is demonstrated?(1 point)

Question

Responses

incomplete dominance
incomplete dominance

epistasis
epistasis

polygenic traits
polygenic traits

codominance

Answer 1

The inheritance pattern demonstrated by a person with AB blood type is codominance. In codominance, both alleles (in this case, A and B) are fully expressed in the phenotype, resulting in the AB blood type.