question_answer

In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (A-D) in this regard and select the correct option about which one or more of these can be used as a vector/vectors:

Statements:

(1) a bacterium

(2) plasmid

(3) plasmodium

(4) bacteriophage

Options:

A) (1), (2) and (4) only        

B) (1) only           

C) (1) and (3) only                         

D) (2) and (4) only