The first human hormone produced by recombinant $DNA$ technology is

Statement-$I$: At present,$30$ recombinant therapeutics have been approved for human use the world over.
Statement-$II$: Recombinant therapeutics do not induce unwanted immunological responses,as is common in the case of similar products isolated from non-human sources.
Choose the correct answer from the options given below:

Mention the importance of Recombinant $DNA$ technology in terms of vaccination.

Which one of the following vectors is used to replace the defective gene in gene therapy?

In transgenics,the expression of transgene in the target tissue is known by:

In which year did the company Eli Lilly prepare two $DNA$ sequences corresponding to $A$ and $B$ chains of human insulin?