Question

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 in $1:2:1$ ratio. Modern technique of protein electrophoresis reveals presence of both 'A' and 'B' type proteins in 'AB' blood group individuals. This is an example of?

Answer 1

In codominance, both alleles of a pair express themselves fully in $F_1$ hybrid. It is contrary to the situation seen in incomplete dominance, where traits express themselves only partially. This is the example of partial dominance or complete dominance.