Question
Biology Question on Biotechnology
The Ti plasmid is often used for making transgenic plants. This plasmid is found in
A
Rhizobium of the roots of leguminous plants
B
Agrobacterium
C
Yeast as a 2 µm plasmid
D
Azotobacter
Answer
Agrobacterium
Explanation
Solution
The Ti plasmid, utilized in the creation of transgenic plants, is located within the bacterium Agrobacterium tumefaciens. This plasmid serves as a vehicle for transferring genes into plant cells. Within the Ti plasmid, there are two main regions: the vir region, which is responsible for conferring virulence toward the host, and the tDNA region, which is the portion transferred to the host plant.