1.   Bt corn also contains much lower levels of fungal toxins, which are potentially carcinogenic.

2.   BT corn contains a bacterial gene that causes it to produce a toxin that kills pests that eat the plant.

3.   Monsanto, the leader in agricultural biotechnology, also said that it had sued Mycogen and Ciba-Geigy, which market corn containing the gene.

4.   Regular corn contains a lot of the element, but much of it is bound to phytic acid and cannot be absorbed by the birds.

5.   The corn contains a bacterium gene that makes it toxic to insects.

6.   The corn contains a bacterium gene that makes it toxic to some insects, and there are fears it could cause allergic reactions in people.

7.   The corn contains a bacterium gene that makes it toxic to some insects.

8.   The corn contains a bacterium gene that makes it toxic to an insect pest.

9.   The Starlink yellow corn contains a bacterium that makes it toxic to insects.

10.   The StarLink corn contains a bacterium gene that makes it toxic to insects.