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Wednesday, July 11, 2007
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Purpose of genetic modification}
The purpose of genetic modification is to
- give the organism/food desirable traits such ashigher yields
- increased muscle bulk (animals)
- ability to resist disease, pests or chemicals
- prolonged shelf-life
- higher nutritional value
- reduced allergens
- ability to grow in environments that are usually too hostile.
Some of these properties are especially important to developing countries where food supplies are scarce and conditions are often unsuitable for successful agriculture. e.g. drought, poor food storage or transport systems. People in developing nations may also benefit from increasing the levels of nutrients in foods as they are more likely to suffer from nutrient deficiencies.
Other uses of GM crops manufacture of medical drugs and vaccines (known as 'neutraceuticals') on a large scale from GM crops such as oilseed rape.
Development of renewable sources of valuable materials like plastics in engineered crops such as oilseed rape potato and maize.
Bioremediation, or the removal of toxic substances in the environment such as industrial waste.
10:27 PM;
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Lee Bei Fang
Temasek poly Yr 3
Applied Food Science and Nutrition
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