An example of gene therapy is

Given below is the sequence of events in the production of human insulin by Eli Lilly.
$(a)$ Preparation of two $DNA$ sequences corresponding to chain $A$ and $B$ of human insulin.
$(b)$ Production of chain $A$ and $B$ separately.
$(c)$ Introduction of chains in plasmids of $E. coli$.
$(d)$ Extraction of chain $A$ and $B$ and combining them by creating disulphide bonds.
Choose the correct sequence of events.

List the advantages of recombinant insulin.

The $ADA$ deficiency can be permanently cured by:

Adenosine deaminase $(ADA)$ deficiency is most commonly caused by which genetic abnormality?

Eli Lilly,an American company,is famous for: