ISO/TS 21569-4:2016

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ISO/TS 21569-4:2016 is a Technical Specification from the International Organization for Standardization (ISO) that details methods for detecting the presence of genetically modified organisms (GMOs) and their derived products in food and other materials. Specifically, it focuses on identifying the P-nos and P-nos-nptII DNA sequences, which are markers often found in genetically modified plants.