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Question
GM Bt brinjal has been developed in India for
GM Bt brinjal has been developed in India for
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Solution
The correct option is B Insect resistance
Bt brinjal
Bt brinjal is a genetically modified plant. Its genome has the cry gene from the bacterium, Bacillus thuringiensis. The cry gene codes for a protoxin crystal protein which, when ingested by insects, gets activated at the alkaline pH in their gut. This occurs due to the solubilisation of the crystal proteins.
The active toxin generates pores in the epithelium of the midgut of the insects. This results in the swelling of the cells followed by lysis. Thus, Bt brinjal is an insect resistance plant.
Final answer
(D) Insect resistance
Bt brinjal
Bt brinjal is a genetically modified plant. Its genome has the cry gene from the bacterium, Bacillus thuringiensis. The cry gene codes for a protoxin crystal protein which, when ingested by insects, gets activated at the alkaline pH in their gut. This occurs due to the solubilisation of the crystal proteins.
The active toxin generates pores in the epithelium of the midgut of the insects. This results in the swelling of the cells followed by lysis. Thus, Bt brinjal is an insect resistance plant.
Final answer
(D) Insect resistance
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