In $DNA$ fingerprinting, detection of hybridised $DNA$ fragments is possible by

What is the first step in Southern Blotting technique?

Definitions/Explanation : Probe & $VNTR$
 

The commonly used $DNA$ fingerprinting technique in forensic studies is simply a method involving

$DNA$ fingerprinting using Variable Number Tandem Repeats $(VNTRs)$ is based on the observation that

Full Forms :

$1.$ $\rm {YAC}$

$2.$ $\rm {SNPs}$

$3.$ $\rm {VNTR}$

$4.$ $\rm {PCR}$