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Solution


Q.

Which of the following is not required for any of the techniques of DNA fingerprinting available at present                [2016]
1 Restriction enzymes  
2 DNA-DNA hybridisation  
3 Polymerase chain reaction  
4 Zinc finger analysis  

Ans.

(4)

Any small, functional, freely folded domain in which coordination of one or more zinc ions is required to stabilise its structure is known as zinc finger. The zinc finger domains are widely dispersed in eukaryotic genomes and are actively involved in sequence specific binding to DNA/RNA and contribute in protein-protein recognitions.