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Fig. 5. Hierarchical clustering of phenotypes (A) and individuals (B) (based on
expression profiles for the genes regulated at level of phenotype). The genes
have been ordered according to k-means clustering. The heatmaps (red,
upregulated, green, downregulated) show estimated gene expression levels. Heat
values are relative only within, not across, genes. The numbers identify
individual males consistent with Fig.
2. Confidence values at the nodes were obtained by bootstrap
analysis (1000 permutations with resampling). The colors indicate S,
subordinate males in teal; D, dominant males in gold; and F, brooding females
in pink.