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  5. Principle Of Inheritance And Variation

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

  • question_answer
    When the chromosome number of a given organism has one additional chromosome in one of the homologous pairs, the condition is known as

    A) Trisomy

    B) Monosomy

    C) Polyploidy

    D) Nullisomy

    Correct Answer: A

    Solution :

    Trisomy


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