KVPY Sample Paper KVPY Stream-SX Model Paper-3

  • question_answer
    Which one of the following statement about gene mutation is incorrect?

    A) It can occur in both somatic and sex cells.

    B) It can cause down?s syndrome in humans.

    C) It can change a dominant allele into a recessive one.

    D) It can be brought about by exposure to ionizing radiation.

    Correct Answer: C

    Solution :

    [e] A gene mutation cannot cause a dominant allele to become recessive, but can disallow it from being expressed phenotypically.


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