A Plant Will Recognize a Pathogenic Invader

question 29

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.

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