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 DNA is cut into large fragments, using restriction enzymes. These fragments are then separated by gel electrophoresis (either agarose or polyacrylamide gel electrophoresis).