Since a protein sequence is specified by
a segment of DNA called a gene, novel versions of that protein can be produced by changing the DNA sequence of the gene. The companies that own the modified genome are able to patent it. In the case of basic crops, the companies
gain control of foodstuffs, controlling food production on a large scale and reducing agrobidiversity to a few varieties. The only apparent interest in promoting this tecnology appears to be purely economic, despite the claims of seed companies such as Monsanto and Novartis to solve the world food scarcity. It is now popularly understood that it is not the lack of food on a wholewide
scale that is the main problem, but its distribution, aggravated by prohibitive tariffs by rich nations. Genetically modified crops do not reduce hunger. The majority of genetically crops are destined for animal food to meet the high demand for meat in developed countries. No genetic modification have yet to serve the needs of mankind despite all the promises in this direction. However, even with regard to this technology's
great potential, some people have raised concerns about the introduction of genetically engineered plants and animals into the environment and the potential dangers of human consumption of GM foods. They say that these organisms have the potential to spread their modified genes into native populations thereby disrupting natural ecosystems. This has already happened" -- Reference Wikipedia.org back to 199)
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