A B Supporting Information Figure S1: Distribution of the density of expression intensities for the complete microarray dataset (A) and after removal of.

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A B Supporting Information Figure S1: Distribution of the density of expression intensities for the complete microarray dataset (A) and after removal of datasets flagged as outliers (B).

Supporting Information Figure S2: Heat-map of 5,009 microarray expression profiles. Average-linked hierarchal clustering dendrogram of all RMA normalized ATH1 arrays clustered by microarray experiments in columns and probe sets in rows.

Supporting Information Figure S3: A heat map representing the breadth of expression of α -duplicate pairs in the nine core tissues. Each line represents an α - duplicate pair in which genes are both present (black), one present (grey) or both absent (white) within each tissue. Tissues have been clustered based on the similarity of patterns within the α -duplicate pairs. Alpha Gene Pairs Tissue SeedsRoot Seedlings WholeFlowerShootAerialRosetteLeaves