Bt toxin genes come from

  1. the bacterium Bacillus thuringiensis
  2. soybean
  3. Chinook salmon
  4. jellyfish
Answer

A) the bacterium Bacillus thuringiensis

Bt = Bacillus thuringiensis. AS & A Level Biology · Topic 19 Genetic Technology · 19.3 Genetically modified organisms in agriculture

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