The basic steps involved in the genetic modification of an organism inlcude -

(A) Identification of DNA with desirable genes
(B) Production and clinical trial of drugs
(C) Introduction of the identified DNA into the host
(D) Maintenance of introduced DNA in the host and transfer of the DNA to its progeny

Choose the most appropriate combination from the options given below.

(A), (C) and (D) only

The correct answer is Option (3) → (A), (C) and (D) only