KVPY Sample Paper KVPY Stream-SX Model Paper-16

  • question_answer
    To study the genetic basis of the inherited human disease sickle-cell anemia, a biologist must first isolate DNA from an affected individual's cells. The next step is to use

    A) Restriction enzymes that break the DNA into small pieces at known points.

    B) Gel electrophoresis to separate the DNA from other cell fragments.

    C) Ligases that make the DNA stick together.

    D) DNA polymerase to make new copies of the DNA.

    Correct Answer: A

    Solution :

    Once isolated, DNA can be cut into fragments using restriction enzymes. The other choices involve methods used after the restriction fragments have been generated.


You need to login to perform this action.
You will be redirected in 3 sec spinner