Read the following statements and choose the correct option: i. Agrobacterium tumefaciens, a pathogen of several monocot plants, is able to deliver a piece of DNA known as "T-DNA". ii. The tumor inducing (Ti) plasmid of Agrobacterium tumefaciens has been modified into a cloning vector, which is no more pathogenic to the plants.

Question

Read the following statements and choose the correct option: i. Agrobacterium tumefaciens, a pathogen of several monocot plants, is able to deliver a piece of DNA known as "T-DNA". ii. The tumor inducing (Ti) plasmid of Agrobacterium tumefaciens has been modified into a cloning vector, which is no more pathogenic to the plants. (A) Both i and ii are correct (B) i is correct, while ii is incorrect (C) i is incorrect, while ii is correct (D) Both i and ii are incorrect

Tardigrade Admin · Accepted Answer

Agrobacterium tumefaciens, a pathogen that causes crown gall disease in most of the dicots. The organism delivers a piece of DNA called T-DNA that transforms normal plant cells into tumor cells. The tumor-inducing genes are deleted, this modified Ti plasmid is used as a cloning vector.