The cutting of $DNA$ by restriction endonucleases results in the fragments of $DNA$. These fragments can be separated by a technique known as ......

Which of the following is not used in the Southern hybridization technique for chromosomal $DNA$ analysis?

What type of method is the $PCR$ technique?

Gel electrophoresis is used for

When a foreign $DNA$ is introduced into an organism,how is it maintained in the host and how is it transferred to the progeny of the organism?

Which of the following steps are involved in the process of recombinant biotechnology? Arrange in correct order.
$I.$ Extraction of the desired gene product
$II.$ Amplification of the gene of interest
$III.$ Isolation of a desired $DNA$ fragment
$IV.$ Ligation of the $DNA$ fragment into a vector
$V.$ Insertion of recombinant $DNA$ into the host
Correct order is: