Which of the following works on the principle of the method developed by Frederick Sanger?

Provide information about $VNTR$.

Would it be appropriate to use $DNA$ probes such as $VNTR$ in $DNA$ fingerprinting of a bacteriophage?

When the genomes of two people are cut using the same restriction enzyme,the length and number of fragments obtained are different; this is called:

Assertion : $DNA$ fingerprinting has become a powerful tool to establish paternity and identity of criminals in rape and assault cases.
Reason : Trace evidences such as hairs,saliva,and dried semen are adequate for $DNA$ analysis.

The basis of $DNA$ fingerprinting is: