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Molecular Basis of Inheritance

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  1. Nucleotide arrangement in DNA can be seen by
    1. X-ray crystallography
    2. electron microscope
    3. ultracentrifuge
    4. light microscope
Correct Option: A

In 1953 Wilkins obtained very fine X-ray crystallographic pictures of DNA from which Watson and Crick developed the double helix model of DNA.


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