question_answer

Which of the following is/are related to biotechnology?

(i) In vitro fertilisation.

(ii) Synthesis of a gene.

(iii) Correcting a defective gene.

(iv) Developing a DNA vaccine.

A) (i) and (ii)       

B)                    (ii) and (iii)

C) (iii) and (iv)      

D)                    (i), (ii), (iii) and (iv)