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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
    Which genetic disorder is caused due to the presence of an additional copy of X-chromosome (A Karyotype of 44, XXY)?

    A) Klinefelter's syndrome

    B) Down's syndrome

    C) Turner syndrome

    D) Edward's syndrome

    Correct Answer: A

    Solution :

    Klinefelter's syndrome


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