DNA restriction fragments are separated by -
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).
Paper chromatography
Agarose gel electrophoresis
Thin-layer chromatography
Ultracentrifugation