A Plant Will Recognize a Pathogenic Invader

question 82

Multiple Choice

A plant will recognize a pathogenic invader

• A) if it has many specific plant disease resistance (R) genes.
• B) when the pathogen has an R gene complementary to the plant's antivirulence (Avr) gene.
• C) only if the pathogen and the plant have the same R genes.
• D) if it has the specific R gene that corresponds to the pathogen molecule encoded by an Avr gene.
• E) when the pathogen secretes Avr protein.

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