Transgenic Plant
Which of the following is not a characteristic of a transgenic crop?

increased methionine content
herbicide resistance
Bt insect resistance toxin
none of these

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Transgenic Plant
In transgenic plants that have been manipulated to express patho-genesis-related (PR) proteins all the time it has been shown that

expression of two PR proteins provides some protection against a few pathogens
these provide no protection at all against pathogens
these proteins trigger the production of other antimicrobial defenses
expression of one PR protein provides high levels of protection against many pathogens

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