NEET 2002 Biology question

Manipulation of DNA in genetic engineering became possible due to the discovery of : -

(1)Restriction endonucleaseCorrect
(2)DNA ligase
(3)Transcriptase
(4)Primase

Answer: (1)

Solution

The discovery of restriction endonucleases (molecular scissors; Arber, Smith and Nathans, from the 1960s-70s), which cut DNA at specific recognition sequences, made it possible to cut out and manipulate specific DNA segments and to produce

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Question ID VK-089130