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By Arthur Cronquist

-- Natural History

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Because of the human toxicity associated with many insecticides used in cotton production, GM Bt maize and GM Bt cotton have shown an excellent solution (Qaim & Zilberman, 2003; Rice, 2003) especially in 26 GENE FLOW FROM GM PLANTS developing countries where small-holder farmers predominate (Qaim & Zilberman, 2003). , 2001). Improving the quantity and quality of grain harvested would have significant health benefits in developing world areas, where a greater proportion of maize is used directly as a human food.

Concern over the health effects of trans-fatty acids in diets has created intense interest in developing biotechnology-based solutions (Murphy, 1996). Products such as high oleic acid oilseed rape and soybean (Kinney & Knowlton, 1998) and oilseeds with reduced levels of saturated fats (Liu & Brown, 1996) are being developed using GM and traditional breeding. , 2000; Potrykus, 2001) that insertion of genes from daffodils into rice can significantly increase the vitamin A content. While there are many technical and other hurdles to overcome, ‘golden rice’ has the potential to address night blindness, which is an important health issue in India, Africa and parts of Asia where the lack of animal-derived foods can result in vitamin A deficiency.

G. tomatoes and potatoes). One example is the development of maize with increased levels of the essential amino acid lysine known as quality protein maize (QPM) (Bjarnason & Vasal, 1992). This maize is considered an important food in developing nations where lysine is often limiting in diets. There are several problems associated with QPM including susceptibility to diseases and certain storage pests. , 2000). Unlike QPM, enhanced lysine GM maize will not suffer disease susceptibility and storage problems.

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