Fig. 2

Statistics relating to “present calls” when CG transcripts were hybridized to the barley microarray. “Present calls” corresponds to probe sets outputting a signal intensity significantly higher for perfect matches (100% sequence complementarity to the reference sequence) than for mismatches (MM - differ from the perfect match probes by a single base substitution at the centre base position, disturbing the binding of the target gene transcript. MM serve as a control for cross-hybridization). The blue bar represents the numbers of probe sets called as present on each array, while the green bar displays the number of probe sets called as present on all biological replicates of at least one sample. The numbers on the y axis depict the quantity of probe sets