NEET AIPMT SOLVED PAPER MAINS 2012

  • question_answer
    What is it that forms the basis of DNA fingerprinting?

    A)  The relative proportions of purines and pyrimidines4n DNA

    B)  The relative difference in the DNA occurrence in blood, skin and saliva

    C)  The relative amount of DNA in the ridges and grooves of the fingerprints

    D)  Satellite DNA occurring as highly repeated short DNA segments

    Correct Answer: D

    Solution :

    DNA fingerprint is individual specific DNA identification which is made possible; by the finding that no two people are likely to. Have the same number of copies of repetitive DNA sequences of regions. The chromosomes of every human cells contain short, highly repeated DNA sequence (15 nucleotide) called minisatellite scatterd throughout.


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