what are the disadvantages of genetically modified plants?
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However, there are disadvantages to creating these plants. For example: the potential development of herbicide-resistant weeds. loss of biodiversity because fewer weeds survive - resulting in reduced food and shelter for animals.
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Various ethical issues associated with HGT from GMOs have been raised including perceived threats to the integrity and intrinsic value of the organisms involved, to the concept of natural order and integrity of species, and to the integrity of the ecosystems in which the genetically modified organism occurs [24].
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In summary, GMO crops can have remarkable environmental benefits. They allow farmers to produce more food with fewer inputs. They help us spare land, reduce deforestation, and promote and reduce chemical use.
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Benefits of genetic engineering: Genetic modification is a faster and more efficient way of getting the same results as selective breeding. Improves crop yields or crop quality, which is important in developing countries. This may help reduce hunger around the world.
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The US EPA's analysis of Bt crops finds that they pose no significant risk to the environment or to human health. ... Genetically modified corn has not been found by the EPA to pose significant health or environmental risks.
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['Genetic Contamination/Interbreeding. ... ', 'Competition with Natural Species. ... ', 'Increased Selection Pressure on Target and Nontarget Organisms. ... ', 'Ecosystem Impacts. ... ', 'Impossibility of Followup. ... ', 'Horizontal Transfer of Recombinant Genes to Other Microorganisms.']
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On the other hand, the disadvantages to widespread pesticide use are significant. They include domestic animal contaminations and deaths, loss of natural antagonists to pests, pesticide resistance, Honeybee and pollination decline, losses to adjacent crops, fishery and bird losses, and contamination of groundwater.
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Most genetically engineered plant foods carry fully functioning antibiotic-resistance genes. The presence of antibiotic-resistance genes in foods could have two harmful effects. First, eating these foods could reduce the effectiveness of antibiotics to fight disease when these antibiotics are taken with meals.
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['Habitat destruction/Deforestation.', 'Introduced and invasive species.', 'Genetic pollution.', 'Over exploitation.', 'Hybridization.', 'Climate change.', 'Diseases.', 'Human over-population.']
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The biggest threat caused by GM foods is that they can have harmful effects on the human body. It is believed that consumption of these genetically engineered foods can cause the development of diseases which are immune to antibiotics.
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Many U.S. farmers who grow genetically engineered (GE) crops are realizing substantial economic and environmental benefits -- such as lower production costs, fewer pest problems, reduced use of pesticides, and better yields -- compared with conventional crops, says a new report from the National Research Council.
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['Allergic reactions. Some people believe that GMO foods have more potential to trigger allergic reactions. ... ', 'Cancer. Some researchers believe that eating GMO foods can contribute to the development of cancer. ... ', 'Antibacterial resistance. ... ', 'Outcrossing.']
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['New Allergens in the Food Supply. ... ', 'Antibiotic Resistance. ... ', 'Production of New Toxins. ... ', 'Concentration of Toxic Metals. ... ', 'Enhancement of the Environment for Toxic Fungi. ... ', 'Unknown Harms. ... ', 'Gene Transfer to Wild or Weedy Relatives. ... ', 'Change in Herbicide Use Patterns.']
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Disadvantages. One of the disadvantages of biomass energy is the amount of space that it requires. A great deal of land and water are needed for some biomass crops to be produced and, when they have grown, the product requires a large amount of storage room before being converted into energy.
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Biotechnology is used to modify organisms, genetically, the effect of which is still not known. These genetically modified organisms, including bacteria, can escape in the wild and may disturb the balance of the ecosystem. This, as a result, may hurt biodiversity.
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A genetically modified potato is a potato that has had its genes modified, using genetic engineering. Goals of modification include introducing pest resistance, tweaking the amounts of certain chemicals produced by the plant, and to prevent browning or bruising of the tubers.
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Disadvantages of Green revolution: The usage of a high quantity of pesticides and insecticides incorporated toxicity in the plants. In order to protect crops from different types of disease caused by pest as well as the damages caused by insects, the farmers used pesticides and insecticides at a high amount.