Blood stains are found at the site of a murder. If $DNA$ profiling technique is to be used for identifying the criminal,which of the following is ideal for use?

What is the correct sequence of steps in the process of $DNA$ fingerprinting?

The sensitivity of $DNA$ fingerprinting can be increased by the use of:

In $DNA$ fingerprinting technique, . . . . . . probe is used for hybridization of $DNA$ fragments.

'There is a paternity dispute for a child'. Which technique can solve the problem? Discuss the principle involved.

Repetitive sequences are stretches of $DNA$ with repeated bases many times in a genome, but
$(a)$ These sequences are of no transcriptional function
$(b)$ These are associated with euchromatin region
$(c)$ These help to identify a person on the basis of their $DNA$ specificity