NEET Sample Paper NEET Sample Test Paper-19

  • question_answer Point mutation involves

    A)  Change in single base pair

    B)  Duplication

    C)  Deletion

    D)  Insertion

    Correct Answer: A

    Solution :

    A point mutation is a simple change in one base of the gene sequence. This is equivalent to changing one letter in a sentence, such as this example, where we change the 'c' in cat to an 'h':               
    Original: The fat cat ate the wee rat.
    Point Mutation: The fat hat ate the wee rat.
    Hence, the correct option is [a].

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