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Molecular Basis of Inheritance

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  1. Experimental material in the study of DNA replication has been
    1. Escherichia coli
    2. Neurospora crassa
    3. Pneumococcus
    4. Drosophila melanogaster
Correct Option: A

Messelson and Stahl (1958) raised Escherichia coli on ammonium chloride having heavy isotope of nitrogen for several generations to study semi-conservative replication of DNA.


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