Genetically modified crops

PART 4 Genetically modified cropsBiotechnology encompasses a wide range of technolo-gies and they can be applied for a range of differentpurposes, such as the genetic improvement of plant va-rieties and animal populations to increase their yieldsor efficiency; genetic characterization and conservationof genetic resources; plant or animal disease diagnosis;vaccine development; and improvement of feeds. Someof the technologies may be applied to all the food andagriculture sectors, such as the use of molecular DNAmarkers or genetic modification, while others are moresector-specific, such as tissue culture (in crops and foresttrees), embryo transfer (livestock) or triploidization andsex-reversal (fish).Higher productivity holds the key in the fight against ru-ral poverty.

and health perspective, the main concerns are related to possible toxicity and allergenicity of GM foods and products. Concerns about environmental risks include the impact of introgression of the transgenes into the natural landscape, impact of gene flow, effect on non-target organisms, evolution of pest resistance and loss of biodiversity.

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