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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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