CLAUS LUNAU / SCIENCE PHOTO LIBRARY CLAUS LUNAU / SCIENCE PHOTO LIBRARY
Genetically modified wheat. Illustration of examples of wheat (Triticum sp.) in its original form (left) and in a genetically modified (GM) form (right). 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, that result in increased crop yields.
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