If two persons with ‘AB’ blood group marry and have sufficiently large number of children, these children could be classified as ‘A’ blood group:‘AB’ blood group :’B’ blood group in1:2:1 ratio. Modern technique of protein electrophoresis reveals presenceof both ‘A’ and ‘B’ type proteins in ‘AB’ blood groupindividuals. This is an exampleof:

A

Complete dominance

B

Codominance

C

Incomplete dominance

D

Partial dominace