Transgenic Plant
A naturally occurring variant, possessing characteristics of interest, is identified. This plant is selectively bred. This is an example of

mutant selection
traditional plant breeding
none of these
transgenic technology

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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

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

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