Biotechnology- Principles and Processes Question 13

13. Which of the following is commonly used as a vector for introducing a DNA fragment in human lymphocytes?

[2018]

(a) Retrovirus

(b) Ti plasmid

(c) pBR 322

(d) $\lambda$ phage

Show Answer

Answer : a

Hints & Solutions

(a) Retrovirus is a type of RNA virus that inserts a copy of its genome into the DNA of a host cell that it invades, thus changing the genome of that cell. Retrovirus is commonly used as vector for introducing a DNA fragment in human lymphocyte.