The disease called crown gall is caused by the

Question

Quizplus · Accepted Answer

Crown gall disease is caused by the insertion of a specific part of the Ti (tumor-inducing) plasmid carried by the bacteria Agrobacterium tumefaciens into the plant genome, causing uncontrolled cell division and tumor formation. This part of the Ti plasmid is a transposable element called T-DNA, which is transferred by A. tumefaciens into the plant cell and integrated into the host genome. Therefore, option A correctly explains the cause of crown gall disease.

The Disease Called Crown Gall Is Caused by the