Question

human blood consist of blood groups a, B, and oh. However, there is one more blood group, AB, which contains alleles A and B in the same genotype. what is the phenomenon called

Answer 1

Codominance

Step-by-step explanation:

Codominance means that neither allele can mask the expression of the other allele. An example in humans would be the AB blood group, where alleles A and alleles B are both expressed.