The ecological principle behind the biological control of pest insects is based on the ability of predator to regulate prey population in that habitat.
For example Gambusia sh prey upon the larvae of mosquito and acts as biological controller of malaria.
a. cryIAc gene codes for a toxic insecticidal protein that controls the cotton bollworms.
b. This gene codes for a toxin that becomes active when ingested by the insect. The activated...
