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Nature Biotechnology 20, 19 (1 January 2002) | doi:10.1038/nbt0102-19a
Transgenes in Mexican maize
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Abstract
Genetic flow between transgenic and native maize has apparently occurred in Mexico, resulting in wild strains containing one or more transgenic sequences (most likely encoding Bt toxin). These “transgenic” native maizes not only have every single trait that has been selected and preserved for thousands of years (making them perfectly adapted to specific geographic regions), but now also possess an additional and desirable characteristic—insect resistance, a trait likely to be consciously preferred by Mexican peasant farmers.
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