NEET Biology question

The tumour inducing capacity of Agrobacterium tumefaciens is located in large extrachromosomal plasmids called:

(A)Ri-plasmid
(B)Lambda phage
(C)pBR322
(D)Ti-plasmidCorrect

Answer: (D)

Solution

Ri-plasmid is associated with hairy-root disease (caused by a different Agrobacterium strain), lambda phage and pBR322 are unrelated cloning vehicles,

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Question ID VK-125146