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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
    Sickle cell anaemia is caused by the substitution of

    A) valine by glutamic acid at sixth position of alpha chain of haemoglobin.

    B) valine by glutamic acid at sixth position of beta chain of haemoglobin.

    C) glutamic acid by valine at sixth position of alpha chain of haemoglobin.

    D) glutamic acid by valine at sixth position of beta chain of haemoglobin

    Correct Answer: D

    Solution :

    glutamic acid by valine at sixth position of beta chain of haemoglobin


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