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Question

Cry genes or Bt genes are obtained from ?

A
Cotton pest
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B
Tobacco pest
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C
Bacillus thuringiensis
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D
E.coli
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Solution

The correct option is C Bacillus thuringiensis
Bacillus thuringiensis is a bacterium. The bacterium has a short segment called Bt gene or Cry gene. The gene is responsible for the production of a crystalline product Bt. The product acts as a toxin when ingested by the pests. The protein becomes activated after reaching the gut of pests and creates pores in the intestine and kills the pests. The gene provides protection to GMO against budworm, bollworm, beetle, borer, etc.
Thus, the correct answer is option C.

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