Q. Which of the following techniques is most commonly used to separate DNA molecules by size?
A) Chromatography
B) PCR
C) RFLP
D) Gel electrophoresis
Explanation
A molecule of DNA can be cut into fragments by the enzyme restriction endonucleases. These fragments of DNA can be separated by a technique of gel electrophoresis. It is a technique used for the separation of substances of different ionic properties
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.