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Question

What Produces Bt Toxin?


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Solution

Bt Toxin:

  1. Bacillus thuringiensis (Bt), the soil-dwelling bacterium that naturally produces a toxin that is fatal to certain herbivorous insects.
  2. The toxin produced by Bacillus thuringiensis (Bt) has been used as an insecticide spray since the 1920s and is commonly used in organic farming.
  3. This toxin is commonly known as Bt. toxin.
  4. The gene responsible for the formation of Bt toxin is the cry gene.
  5. Cry gene is incorporated into the cotton plant with the help of recombinant DNA technology.
  6. The cotton plant with the cry gene is called Bt. cotton and it contains resistance against herbivorous insects.

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