CC STUDIO / SCIENCE PHOTO LIBRARY CC STUDIO / SCIENCE PHOTO LIBRARY
Genetic modification of a tomato, conceptual image, represented by a researcher who is using a syringe to inject a chemical into the tomato. The biohazard suit, breathing apparatus with filter, and gloves, may represent the danger some people feel is represented by genetic modification. Genetic modification involves the alteration of an organism's genetic make-up. This is done to provide it with useful traits, such as (for a tomato) frost resistance or a lengthened spoilage time. Some foods can also be enriched with vitamins, for instance to supplement a population's diet.
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