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

Comment on the utility of variability in the number of tandem repeats during $DNA$ fingerprinting.

Arrange the following steps of $DNA$ fingerprinting in the correct sequence by selecting the appropriate option.
a) Digestion of $DNA$ by restriction endonucleases
b) Autoradiography
c) Blotting of $DNA$ fragments to nitrocellulose membrane
d) Isolation of $DNA$
e) Separation of $DNA$ fragments by electrophoresis

Satellite $DNA$ is present in

Who discovered $DNA$ fingerprinting?

List the various markers that are used in $DNA$ fingerprinting.