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NEET Biology Human Health And Disease / मानव स्वास्थ्य और रोग Question Bank Critical Thinking Questions

  • question_answer
    Sickle cell aneamia is more common in South Africa. This is due to [BHU 1986, 88]

    A) Change in beta-chain of haemoglobin

    B) More population of house flies

    C) Change in alpha-chain of haemoglobin

    D) Change in gamma-chain of haemoglobin

    Correct Answer: A

    Solution :

    Sickle cell aneamia is caused by a single gene mutation in the sixth place of \[\beta -\]chain of haemoglobin where glutamic acid is replaced by valine.


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