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STD 12 - 4. principal of inheritance and variation — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 4. principal of inheritance and variation1 Mark
MCQ
Inheritance of $ABO$ blood group system is an example of
  • ✓
    Multiple allelism
  • B
    Partial dominance
  • C
    Epistasis
  • D
    Dominance
✓

Answer

Correct option: A.
Multiple allelism
a
(a)$ABO$ blood groups are controlled by a series of three multiple alleles. Different combination of these alleles produce four blood types $A, B, AB$ and $O$.

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