A genetically modified crop of cotton whose DNA has been altered by introducing an extra gene.
A variety of cotton that is immune to diseases.
A genetically modified crop of cotton whose DNA has been designed in the lab.
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The Correct Option isB
Solution and Explanation
Bt cotton has a gene from Bacillus thuringiensis bacterium inserted, making the plant produce a pest-killing protein. This is an extra gene borrowed from nature, not fully lab-designed DNA, and resistance is specific to pests (bollworm), not diseases in general or growth speed.