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In genetic engineering, a DNA segment (g...

In genetic engineering, a DNA segment (gene) of interest, is transferred to the host cell through a vector. Consider the following four agents (i-iv) in ths regard and select the correct option about which one or more of these can be used as vector/vectors:
(i) Bacterium
(ii) Plasmids
(iii) Plasmodium
(iv) Bacteriophage

A

(i),(ii)&(iv)

B

(i) only

C

(i) &(iii)

D

(ii) & (iv)

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