Tuesday, July 28, 2009

Vertical transmission of a plant viral disease may involve:?

a. the movement of viral particles through the plasmodesmata


b. the inheritance of an infection from a parent plant


c. bacteriophage transmitting viral particles


d. insects carrying viral particles between plants


e. the transferof filtered sap

Vertical transmission of a plant viral disease may involve:?
plant cells are pretty rigid and fixed together back to back, so (a) seems like the best answer, becase , all the other answers seems flakey


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