$DNA$ fingerprinting was discovered by .........

Which technique is used to identify the binding of a radioactive probe with its complementary $DNA$ in a clone of cells?

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

Choose the correct option for a molecular probe.
$I -$ Long chain of nucleic acid
$II -$ Double-stranded
$III -$ Single-stranded
$IV -$ Short chain of nucleic acid

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?

Which of the following is $NOT$ required for the current $DNA$ fingerprinting technique?