I. Head size. If the corn head is too large, high yield, most of them are genetically modified corn. Ordinary corn head is small, and the size of the kernel varies.

Two, color. Ordinary corn color is relatively uniform, if the color of the corn, purple, white and yellow color corn kernels between the majority of genetically modified corn.

Extended information

Harms of genetically modified corn:

Pests can not be extinguished: genetically modified food itself there are genes for pests, these pests will be produced with a higher level of defensiveness, not conducive to pesticide extinction.

Impact on development: According to experiments on feeding mice genetically modified food, it has been proved that genetically modified food has brought about a serious impact on the reproduction and growth and development of mice.