Crops 'widely contaminated' by genetically modified DNA
US scientists are warning of a potentially 'serious risk to human health' after the discovery that traditional varieties of major American food crops are widely contaminated by DNA sequences from GM crops.
Crops engineered to produce industrial chemicals and drugs - so-called 'pharm' crops - could already be poisoning ostensibly GM-free crops grown for food, warns the study by the Washington-based Union for Concerned Scientists, released on Monday.
'If genes find their way from pharm crops to ordinary corn, they or their products could wind up in drug-laced corn flakes,' says the report's co-author, UCS microbiologist Margaret Mellon.
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