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    Question

    Which among the following is an example of a point

    mutation?
    A Deletion of a codon Correct Answer Incorrect Answer
    B Insertion of a base pair Correct Answer Incorrect Answer
    C Sickle cell anemia Correct Answer Incorrect Answer
    D Turner syndrome Correct Answer Incorrect Answer

    Solution

    Sickle cell anemia is caused by a point mutation in the β-globin gene, where glutamic acid is replaced by valine at position 6 of the hemoglobin molecule.

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