Biotechnology Principles And Processes Ques 19
19. Which vector can clone only a small fragment of DNA?
[2014]
(a) Bacterial artificial chromosome
(b) Yeast artificial chromosome
(c) Plasmid is a small, circular, double-stranded DNA molecule that is capable of self-replication within a bacterial cell. It is often used in genetic engineering to transfer genes between organisms.
(d) Cosmid
Show Answer
Answer : c
Hints & Solutions
(c) Plasmids are small extranuclear circular DNAs which carry extrachromosomal genes in bacteria and some fungi. They replicate independently. The best known vectors which are also available commercially are pBR322 and pUC-18.
BETA
