A Plant Has a Mutation in the Gene That Codes

A plant has a mutation in the gene that codes for systemin.What is the likely consequence of this mutation?

A) The plant will have a stronger than normal wound response.
B) The mutated form of systemin would be recognized as a pathogen and a hypersensitive response will be initiated.
C) The levels of jasmonic acid will build inside the cell creating a toxic environment.
D) Systemin receptors will not be activated and proteinase inhibitor will not be transcribed.