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Question

What are the Cry proteins? Name an organism that produce it. How has a man exploited this protein to his benefit?

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Solution

The proteins encoded by the gene named Cry are called Cry proteins. Bt toxin is the protein encoded by the gene Cry.

The organism that produces Cry proteins - Bacillus thuringiensis.

The cry genes are incorporated in several crop plants which then develop resistance to a specifically targeted pest.

Example cry I Ac and cry IIAb control the cotton bollworms, that of cry I Ab controls corn borer.


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