Satellite $DNA$ is useful in ...... .

Mark the correct one (w.r.t. application of $DNA$ fingerprinting).

$PCR$ and Restriction Fragment Length Polymorphism $(RFLP)$ techniques are used for:

Identify the given figure.

Alec Jeffreys used $ . . . . . . $ as a genetic marker.

Given below are two statements.
Statement $I$ - In the population,every person shows unusual sequences of $20-100$ base pairs,which are repeated several times and are termed as $VNTRs$.
Statement $II$ - $VNTRs$ are same in each individual and hence is the key factor in $DNA$ profiling.
In the light of above statements,select the correct option given below: