Manipal Medical Manipal Medical Solved Paper-2007

  • question_answer
    The most likely reason for the development of resistance against pesticides in insect damaging a crop is

    A)  random mutations

    B)  genetic recombination

    C)  directed mutations

    D)  acquired lieritable changes

    Correct Answer: A

    Solution :

    The environmental stress (as pesticides) does not cause or direct changes in genome, instead, it simply selects rather persisting mutations which result in phenotypes that are better adapted to the new environment (eg, certain pesticides).


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