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  3. 12th Class
  4. Biology
  5. Principle Of Inheritance And Variation

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

  • question_answer
    Sometimes chromosome number increase or decrease due to:

    A) Non-disjunction of chromosome

    B) Genetic repetition

    C) Mutation

    D) All of these

    Correct Answer: D

    Solution :

    All of these


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