Neet Solved Paper 2013 Question 32
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
Options:
A) co dominance
B) incomplete dominance
C) partial dominance
D) complete dominance
Show Answer
Answer:
Correct Answer: A
Solution:
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 not the example of partial dominance or complete dominance
$ AB\xrightarrow[{}]{{}}\underset{Genotype}{\mathop{{{|}^{A}}{{|}^{B}}}},\xrightarrow[{}]{{}}Antigen,A $ $ \text{+Antigen},B\xrightarrow[{}]{{}}Codominace $