Cultivation of Bt cotton has been much in the news. The prefix Bt means

Options

A. Barium treated cotton seeds
B. Bigger thread variety of cotton with better tensile strength
C. Produces by biotechnology using restriction enzymes and ligases
D. Carrying an endotoxin gene from Bacillus thuriengiensis

Answer

D

Explanation

Bt cotton, Bt – tomato are transgenic or genetically modified plants. The cry gene encoding Bt toxin is inserted in their genome. This gene is isolated from bacterium bacillus thuriengiensis therefore is called Bt.