ADAM HART-DAVIS / SCIENCE PHOTO LIBRARY ADAM HART-DAVIS / SCIENCE PHOTO LIBRARY
Genetically modified wheat. Crop of genetically modified (GM) wheat (Triticum sp.). Wheat, a type of cereal, is one of the world's most important crops. Genetic modification of plants involves altering their DNA (Deoxyribonucleic acid), the chemical which controls every part of an organism's growth and development. This modification may give the plant desirable characteristics, such as resistance to disease and herbicides. However, it is controversial whether GM foods are safe to eat.
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