Problem: Edible vaccines are currently in development for several infectious diseases including measles, cholera, and foot and mouth disease. Scientists are studying multiple plants, such as corn, tomato, rice, carrots, and bananas for their ability to carry a vaccine. In order to generate these vaccines, what must scientists do? Need Assignment Help? Group of answer choices Human immune system genes must be introduced into the plant. Genes from the pathogens must be introduced into the plant. The plant must become infected with the pathogen. Plant genes must be introduced into the pathogen.