The sensitivity of $DNA$ fingerprinting can be increased by using ..........

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.

In the recent past,human chromosomes have been studied by a technique using specific,often fluorescent dyes,known as

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?

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

Which of the following is the correct sequence of $\text{DNA}$ fingerprinting?
$(i)$ Digestion of $\text{DNA}$ by restriction endonucleases
$(ii)$ Hybridisation using labelled $\text{VNTR}$ probe
$(iii)$ Separation of $\text{DNA}$ fragments by electrophoresis
$(iv)$ Detection of hybridised $\text{DNA}$ fragments by autoradiography
$(v)$ Blotting
$(vi)$ Isolation of $\text{DNA}$