Multiple choice

______ is/are related to genetic engineering.

  1. Plastid

  2. Restriction endonucleases

  3. Heterosis

  4. Mutation

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A restriction enzyme or restriction endonuclease is an enzyme that cuts DNA at or near specific recognition nucleotide sequences known as restriction sites. They are widely used in genetic engineering.