12th Class Biology Principle Of Inheritance And Variation Question Bank MCQs - Principles of Inheritance and Variation

  • question_answer
    Trisomy is :

    A) One chromosome less than 2n.

    B) One chromosome more than 2n

    C) A hybrid obtained by crossing diploid and tetraploid

    D) Three chromosomes more than 2n

    Correct Answer: B

    Solution :

    One chromosome more than 2n


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