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  1. Lederberg and Tatum demonstrated conjugation in the bacteria in

  2. A.

     1944

    B.

     1945

    C.

     1946

    D.

     1947

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    Answer : Option C

    Explanation :

    Bacterial conjugation was first described by Lederberg and Tatum in 1946 as a phenomenon involving the exchange of markers between closely related strains of Escherichia coli.


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