<prompt> DNA restriction fragments are separated by ?Paper chromatographyAgarose gel electrophoresisThin-layer chromatographyUltracentrifugation  <response>: Ans. is b i.e., Agarose gel electrophoresis DNA is cut into large fragments, using restriction enzymes. These fragments are then separated by gel electrophoresis either agarose or polyacrylamide gel electrophoresis. 