MediumNEET 2026
+4 / -1
Arrange the following steps of DNA fingerprinting in a correct sequence. A. Isolation of DNA and its digestion by restriction endonucleases B. Hybridisation using a labelled VNTR probe C. Transferring of separated DNA fragments to synthetic membranes D. Detection of hybridised DNA fragments by autoradiography E. Separation of DNA fragments by electrophoresis Choose the correct answer from the options given below.
A
A, E, B, C, D
B
A, D, B, E, C
C
A, D, B, C, E
D
A, E, C, B, D
Explanation
DNA fingerprinting involves isolation and restriction digestion of DNA, separation by electrophoresis, transfer of DNA fragments to a membrane (Southern blotting), hybridisation with labelled VNTR probes, and finally detection by autoradiography.
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