Genetic engineering is a scientific development that involves the artificial manipulation of an organism's genes by using techniques such as molecular cloning and transformation in order to alter their nature and structure. Many of these transformations are achieved by manipulation of an organism's DNA, which effectively is the code inscribed in every cell to determine how it will function. <\/p>\n
As with most scientific developments there are a number of arguments both for and against. <\/p>\n
There has been a considerable amount of research into the genetic engineering of crops such as potatoes, tomatoes, soybean and rice, with the aim of obtaining new strains that have better nutritional qualities and better yields. <\/p>\n
In a world where there is a continual need to produce more food; genetically engineered crops are being developed to grow on land that is currently not suitable for cultivation. By manipulating the genes in crops the aim is to improve their nutritional value, their rate of growth and their flavour. <\/p>\n
Seeds can be engineered so that they are resistant to pests and can survive cultivation in relatively harsh climatic conditions. Biotechnology can also be used to slow down the process of food spoilage so that fruit and vegetables can have a longer shelf life. <\/p>\n
Although on the face of it genetic engineering might appear to bring a number of very positive benefits, there is by no means a universal approval of this practice. <\/p>\n
Greenpeace International is very firm in its opposition, pointing out that there is no adequate scientific understanding of the impact that genetically modified organisms might have on the world's environment and on human health. <\/p>\n
Undesirable genetic mutations can lead to allergies in crops and critics believe that while genetic engineering might enhance taste and appearance of foodstuffs, it could also hamper the nutritional value. At the very least, in order to inform consumers, all foodstuffs or products that have been made from genetically modified food should be clearly labelled as such at point of sale. <\/p>\n
Whole new substances such as proteins and other food nutrients can be produced as a result of genetic engineering. The genetic modification of foods can be used to increase their medicinal value, thus making available a range of homegrown medical vaccines. <\/p>\n
Greenpeace maintains that commercial interests are the prime movers to introduce genetically modified organisms into the food chain and stresses that once these organisms have been released into the environment they cannot be recalled. <\/p>\n
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