The technique involving the insertion of a desired gene into the $DNA$ of a plasmid vector is known as:

What happens if a foreign $DNA$ fragment is inserted into the coding sequence of the $\beta$-galactosidase enzyme in a plasmid containing the coding sequence for the $\beta$-galactosidase enzyme?

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

The prerequisites for the biotechnological production of antibiotics are:

Explain $PCR$ in short.

From the following tools/techniques of genetic engineering,identify those which are required for cloning a bacterial gene in animal cells and choose the correct option:
$I$. Endonuclease $II$. Ligase
$III$. $A. tumefaciens$ $IV$. Microinjection
$V$. Gene gun $VI$. Lysozyme
$VII$. Cellulase $VIII$. Electrophoresis