The present invention relates to methods and systems for the analysis of the dissociation behavior of nucleic acids and the identification of determining whether a genotype is present in a biological sample. Separating the channels are ribs and conductors are mounted in the channels. The DC-DC converter comprises a system control circuit, a driver circuit, and an output voltage adjusting circuit. Methods for producing a maize plant containing in its genetic material one or more traits introgressed into X18B705 through backcross conversion andor transformation, and to the maize seed, plant and plant part produced thereby. Disclosed are also novel compounds of formula and processes for their preparation.