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Which of the following is not required for any of the techniques of DNA fingerprinting available at present?
A
Zinc finger analysis
B
Restriction enzymes
C
DNA-DNA hybridisation
D
Polymerase chain reaction
Explanation
Fingerprinting uses restriction enzymes, hybridisation and PCR.
Detailed Solution
A zinc finger is a small protein motif forming a DNA-binding domain found in several transcription factors. Zinc finger analysis is not required for techniques of DNA fingerprinting.