NEET Biology Principle Of Inheritance And Variation Question Bank Multiple Allelism

  • question_answer
    Inheritance of ABO blood group system is an example of [CBSE PMT 1990]

    A) Multiple allelism

    B) Partial dominance

    C) Epistasis

    D) Dominance

    Correct Answer: A

    Solution :

    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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