Which of the following is TRUE for gel electrophoresis ?

(A) It is used to separate DNA fragments.
(B) Separation of DNA occurs on the basis of the fragment size.
(C) Separation of DNA fragments occurs on the basis of charge.
(D) Separated DNA fragments can be visualised without staining.

Choose the correct answer from the options given below:

(A) and (B) Only

The correct answer is Option (4) → (A) and (B) Only