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Question

Cohen and Boyer isolated an antibiotic resistance gene by cutting out a piece of DNA from a plasmid having antibiotic resistance in the year

A
1972
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B
1963
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C
1967
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D
1982
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Solution

The correct option is A 1972
Cohen and Boyer
Stanley Cohen and Herbert Boyer are credited for producing the first artificial recombinant DNA in 1972 that conferred antibiotic resistance to the host cell. An antibiotic resistance gene was inserted into a naive plasmid from Salmonella typhimurium to form the recombinant DNA.

Final answer
(C) 1972

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