Which did your answer include? Bt corn are corn plants that have been modified by genetic engineering to have a bacterial gene that produces a protein that is toxic to insects.

Because it produces the Bt toxin that kills the European corn borer, Bt corn is resistant to this pest. Bt corn does not need to be sprayed with insecticides.

Bt corn may harm beneficial insects such as Monarch butterflies.

The use of Bt corn may lead to pests that are resistant to Bt toxin, which could cause massive crop failure.