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Table 2 Gene mapping groups with different sequence correspondence complexity

From: An investigation of biomarkers derived from legacy microarray data for their utility in the RNA-seq era

Group Microarray probes/probe sets RNA-Seq genes Concordance
A Each probe set can be exclusive mapped to one RNA-Seq gene. It is identical to RNA-Seq A set Each gene can be exclusively mapped to one array probe set. It is identical to array A set High
B Each probe set can be mapped to one RNA-Seq gene, but the gene can be mapped to multiple array probe sets. It is a subset RNA-Seq C set Each gene can be mapped to one array probe set, but the probe set can mapped to multiple genes. It is a subset of array C set Low
C Each probe set can be mapped to multiple RNA-Seq genes Each gene can be mapped to multiple array probe sets Lowest
D Probe sets cannot be mapped (unique probe set) Genes cannot be mapped (unique genes) Unique features