The introduction of t-DNA into plants involves

Options

A. Altering the pH of the soil, then heat shocking the plants
B. Exposing the plants to cold for a brief period
C. Allowing the plant roots to stand in water
D. Infection of the plant by Agrobacterium tumefaciens

Answer

D

Explanation

A. tumefaciens infects the plant through its Ti plasmid. The Ti plasmid integrates a segment of its DNA, known as T-DNA, into the chromosomal DNA of its host plant cells