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Genetically Modified Organisms (GMOs) are organisms whose genetic material has been altered using genetic engineering techniques. These techniques, generally known as recombinant DNA technology, use DNA molecules from different sources, which are combined into one molecule to create a new set of genes. This DNA is then transferred into an organism, giving it modified or novel genes.

History

The development of genetically modified organisms has its roots in the discovery of DNA and the understanding of its role in the transmission and expression of traits. The first genetically modified organism was created in 1973 by Herbert Boyer and Stanley Cohen, who inserted antibiotic resistance genes into the plasmid of an E. coli bacterium.

Techniques

There are several techniques used in the creation of genetically modified organisms, including gene splicing, gene silencing, and gene knockout. These techniques allow scientists to add, remove, or alter specific traits in an organism.

Applications

Genetically modified organisms have found applications in various fields. In agriculture, they are used to increase crop yield, improve nutritional content, and enhance resistance to pests and diseases. In medicine, they are used in the production of insulin, vaccines, and other pharmaceuticals. In industry, they are used in the production of biofuels, bioplastics, and other bioproducts.

Controversies

Despite their potential benefits, genetically modified organisms have been the subject of numerous controversies. These include concerns about their impact on human health and the environment, ethical issues related to the manipulation of life forms, and socio-economic issues related to the control of genetic resources.

See also

• Genetic engineering
• Transgenic plants
• Genetically modified food
• Genetically modified crops

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