Question

In making finger prints, which enzyme, which substance and which technique are used

• A. Restriction enzyme, agarose gel, microscopy
• B. Ligase, fluorescent gel, centrifuge
• C. Helicase, lactase, chromatography
• D. Restriction enzyme, agarose gel, electrophoresis

Answer 1

The correct option is D Restriction enzyme, agarose gel, electrophoresis

D. Restriction enzyme, agarose gel, electrophoresis

Solution : In making DNA fingerprints the DNA is first taken and digested with restriction endonuclease that cuts into fragments. The fragments are electrophoresed in the agarose gel to separate it according to the size.

So the correct answer is "Restriction enzyme, agarose gel, electrophoresis".