What is the meaning of Bt in Bt cotton ?

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Baculovirus treated cotton seeds against pink boll-worm.

Bigger thread of disease resistant cotton with better tensile strength.

Cotton produced by Biotechnology using restriction Enzyme and Ligases to resist microbial infection.

Cotton seeds carrying an endotoxin gene from Bacillus thuringiens is against pink boll-worm

answer is D.

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Detailed Solution

Bt in Bt cotton means Cotton seeds carrying an endotoxin gene from Bacillus thuringiensis against pink bollworm. Bt cotton refers to transgenic cotton. The proteins encoded by the genes cryIAc and cryIIAb control the cotton bollworms.

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