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Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation3 Marks
Question
Study the pedigree chart given below, showing the inheritance pattern of blood groups in a family and answer the given questions.

  1. Give the possible genotypes of the individuals 1 and 2.
  2. Which antigen will be present on the plasma membrane of RBCs of individuals 5 and 9?
  3. Give the genotypes of the individuals 3 and 4.
✓

Answer

  1. 1 - IBi
  2. 5 has antigen A and B.

9 has no antigen.

  1. 3 - IBi

4 - IAi

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