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The gene ‘Bt toxin’ is obtained from:
 

Option: 1

Prokaryotes


Option: 2

Eukaryotes


Option: 3

Both (a) and (b) 
 


Option: 4

All of the above 
 


Answers (1)

 

 

As discussed in Insect Resistant Transgenic Plant - Bt Cotton -

 

Bt toxin gene is obtained from a bacteria called Bacillus thuringiensis which is a prokaryote. This gene has been incorporated into crop plants such as cotton to provide resistance to corn borer. Hence, the correct option is (a).

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Sumit Saini

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