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Genetic engineering is possible becauseA. The phenomenon of transduction in bacteria is well understoodB. We can see DNA by electron microscopeC. We can cut DNA at specific sites by endonucleases like DNAase-ID. Restriction endonucleases purified from bacteria can be used in vitro

Answer» Correct Answer - D
Genetic engineering is the manipulation of genetic material of an organism using enzyme restriction endonuclease.Nathens and Smith (1970) isolated the first restriction endonuclease.Jackson, symons and Paul Berg (1972) successfully generated recombinant DNA molecules in vitro.


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