DNA restriction fragments are separated by -: (A) Paper chromatography, (B) Agarose gel electrophoresis, (C) Thin-layer chromatography, (D) Ultracentrifugation
Answer is B. Ans. is 'b' i.e.. Agarose gel electrophoresis o DNA is cut into large fragments, using restriction enzymes. These fragments are then separated by gel electrophoresis (either agarose or polyacrylamide gel electrophoresis).