Assessing Copy Number of MON 810 Integrations in Commercial Seed Maize Varieties by 5′ Event-Specific Real-Time PCR Validated Method Coupled to % MathType!Translator!2!1!AMS LaTeX.tdl!TeX -- AMS-LaTeX!% MathType!MTEF!2!1!+-% feaafiart1ev1aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX% garmWu51MyVXgatuuDJXwAK1uy0HwmaeHbfv3ySLgzG0uy0Hgip5wz% aebbnrfifHhDYfgasaacH8qrps0lbbf9q8WrFfeuY-Hhbbf9v8qqaq% Fr0xc9pk0xbba9q8WqFfea0-yr0RYxir-Jbba9q8aq0-yq-He9q8qq% Q8frFve9Fve9Ff0dmeaabaqaciGacaGaaeqabaWaaeWaeaaakeaaca% aIYaWaaWbaaSqabeaacqGHsislcqqHuoarcqqHuoarcaWGdbGaamiv% aaaaaaa!3DD8! $$2^{ - \Delta \Delta CT} $$ Analysis