NEET 2013 Biology question

BiologyPrinciples of Inheritance and VariationNEET 2013

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)

Solution

The cross gives = A : AB : B in 1 : 2 : 1. In the AB individual both alleles express fully and independently (both A and B antigens/proteins are present on the RBC surface). When both

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Question ID VK-091416