MAIZ TRANSGENICO PDF

Utilizamos cookies para brindarle la mejor experiencia posible. Biologicamente, el maiz es una planta huerfana y tiene solamente a un pariente, el teocintle anual. Morfologicamente los dos son similares, pero difieren de modo impresionante en la inflorescencia pistilada lo que se convierte en la mazorca. La diferencia mas notable es que la mazorca del maiz es solida, en tanto que la mazorca del teocintle es fragil y se separa cuando madura. Los analisis moleculares han demostrado que el maiz fue domesticado en la cuenca del Rio Balsas Mexico hace anos. Las mazorcas primitivas que fueron encontradas en cuevas y lugares arqueologicos comparten las mismas caracteristicas: Un tamano pequeno y una invariable solidez en sus semillas.

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Main article: Genetically modified food controversies There is a scientific consensus [41] [42] [43] [44] that currently available food derived from GM crops poses no greater risk to human health than conventional food, [45] [46] [47] [48] [49] but that each GM food needs to be tested on a case-by-case basis before introduction.

The economic issues derive from those organisms that are subject to intellectual property law, mostly patents. The first generation of GM crops lose patent protection beginning in Monsanto has claimed it will not pursue farmers who retain seeds of off-patent varieties. These proteins have been used as organic sprays for insect control in France since and the USA since with no ill effects on the environment reported.

Any organism that lacks the appropriate gut receptors cannot be affected by the cry protein, and therefore Bt. However, in comparison with insecticide-free control fields, certain nontarget taxa are less abundant in Bt fields. Concerns focus on the interaction between GM and other maize varieties in Mexico, and of gene flow into refuges. Nature later stated, "the evidence available is not sufficient to justify the publication of the original paper".

The paper was found to be unconvincing by multiple authors and organizations. Sales of StarLink seed were discontinued. Pioneer had been bought by AgrEvo which then became Aventis CropScience at the time of the incident, [] —16 which was later bought by Bayer.

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