The Ti plasmid is
A) derived from E. coli.
B) not incorporated into a host chromosome.
C) useful in introducing foreign DNA into yeasts.
D) useful in introducing foreign DNA into plants.
E) of viral origin.

Question

Quizplus · Accepted Answer

The Ti plasmid is commonly used in plant genetic engineering as a vector to introduce foreign DNA into plants.

Answer: B
 The Ti plasmid does not integrate into the host chromosome, but instead exists as an independent circular DNA molecule within the host cell.

The Ti Plasmid Is