Genetically Modified Foods?
What are genetically modified foods and how are they made? What are the advantages and disadvantages? Where are they grown? Are they very popular? When where they invented/ created? Thanks for all the help! xo
- daylilyLv 79 years agoFavorite Answer
Genetically modified foods or biotech foods are foods derived from genetically modified organisms. Genetically modified organisms have had specific changes introduced into their DNA by genetic engineering techniques. These techniques are much more precise than mutagenesis (mutation breeding) where an organism is exposed to radiation or chemicals to create a non-specific but stable change. Since genetically modified food has been introduced into supermarkets, there has been much controversy as to whether it is actually safe.
Genetically Modified foods (GM foods) were first put on the market in 1996. Typically, genetically modified foods are transgenic plant products: soybean, corn, canola, rice, and cotton seed oil. Animal products have also been developed, although as of July 2010 none are currently on the market. In 2006 a pig was engineered to produce omega-3 fatty acids through the expression of a roundworm gene. Researchers have also developed a genetically-modified breed of pigs that are able to absorb plant phosphorus more efficiently, and as a consequence the phosphorus content of their manure is reduced by as much as 60%.
Critics have objected to GM foods on several grounds, including safety issues, ecological concerns, and economic concerns raised by the fact these organisms are subject to intellectual property law.
The beginning of genetically modified foods can be traced back to the 1980s when scientists discovered that pieces of DNA can transfer between organisms. The first genetically modified plant was produced a short time later, in 1983 using an antibiotic resistant tobacco plant. In 1994, the tomato was genetically modified for human consumption. This genetic modification allowed the tomato to delay ripening after picking. Afterwards in 1995, a biotech company Monsanto introduced herbicide immune soybean also known as the Roundup ready. Also in 1995, the Bt Potato was approved safe by the Environmental Protection Agency, making it the first pesticide producing crop to be approved in the USA.
Although most GM crops are grown in North America, in recent years there has been rapid growth in the area sown in developing countries. A total of 29 countries worldwide grew GM crops in 2011 by approximately 16.7 million farmers and 50% of GM crops grown worldwide were grown in developing countries.
the only tests conducted on the toxicity of Glyphosate Salt, were conducted by Monsanto, who reported the herbiced as being safe. No testing has been done by the USDA or FDA to support that claim. In some European studies, the herbicide 'glyphosate' was found to be present in control groups of mice that were fed GM soy protein. Also, it was found that second and third generations of mice that were fed GM soy, had significant reproductive defects, compared to mice fed non GM soy. This information should be validated by additional studies conducted in the United States. Until those studies are complete, consumption of GM soy that has been exposed to glyphosate herbicide, should be avoided."
This article and the links it provides should also help answer your questions:
See also, for your sake, this one:
- 9 years ago
i hope that safe