Biology · Principles and Processes in Biotechnology
हिन्दीGiven below are two statements:\n Statement I: Cohen and Boyer isolated an antibiotic resistance gene by cutting out a piece of DNA from a plasmid of Salmonella typhimurium in 1972.\n Statement II: Cutting of DNA at specific locations became possible only with the discovery of DNA ligase enzyme. \nIn the light of the above statements, choose the most appropriate answer from the options given below:
Correct answer · Option 3
Statement I is correct but Statement II is incorrect.
Explanation
Statement I is correct. Statement II is incorrect because cutting DNA at specific locations became possible with 'restriction enzymes' (molecular scissors), not DNA ligase.