genetic engineering is two process of manually adding new DNA to an organism. identify the enzyme which is used in genetic engineering

1. endonuclease
2. exonuclease
3. ligase
4. polymerase

Hello Student
Correct answer is 1. Endonuclease.
Endonuclease play a major role in the genetic engineering as it hydrolyses the internal phosphodigester bonds in polynucleotide chain.