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JIPMER 2017
Exam
JIPMER
Year
2017
Subject
Zoology
Chapter
Principles of Inheritance and Variation

JIPMER 2017 · Zoology · Principles of Inheritance and Variation

If two persons with 'AB' blood group marry and have suffeciently...

If two persons with 'AB' blood group marry and have suffeciently large number of children, these children could be classified as 'A' blood group. 'AB blood group 'B' blood group in 1:2:11: 2: 1 ratio. Modern technique of protein electrophoresis reveals presence of both ' AA ' and ' BB ' type proteins in ' ABA B ' blood group individuals. This is an example ofIf two persons with 'AB' blood group marry and have suffeciently large number of children, these children could be

Options

  1. Acodominance
  2. Bincomplete dominance
  3. Cpartial dominance
  4. Dcomplete dominance

Correct answer

A. codominance

Step-by-step solution

AB blood group is characterised by the presence of both antigen A and B i.e. IA\mathrm{I}^{\mathrm{A}} and IB\mathrm{I}^{\mathrm{B}} over the surface of RBCs. If two persons with 'AB' blood group marry and have suffeciently large number of children, these children could be Here both alleles are able to express themselves forming antigens A and B. This is called as codominance.
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