Event-Specific PCR Detection Method of Genetically Modified Maize MIR162 and Its Standardization Gene flow of transgenic corn to cultivated relatives in China The influence of wind direction on pollen-mediated gene flow in transgenic insect-resistant cotton Analysis of Junction Sequence in the Transgenic Maize MON8817 and the Methods of Qualitative PCR Detction Establishment of Phytase-Specific Qualitative PCR Detection Method and Construction of a Positive Plasmid Molecule