question_answer

Given below are three statements

I. Gene therapy is used to correct some gene defect.

II. Transgenic animal has manipulated DNA and it expresses some extra gene.

III. If protein is expressed by some gene in competent host, it is called recombinant protein

Choose the correct option

A)  Only (I) is correct

B)  Only (I) & (II) are correct but (III) is incorrect

C)  All three are correct

D)  (II) is incorrect but (I) and (III) are correct