Figure 4.

Number of genes differentially expressed among tissue groups for each population. Tissue-specific genes are those that are expressed more highly in a tissue than in the other tissues (for example, L > H, B) or lower in a tissue than in the other tissues (for example, L < H, B).

Whitehead and Crawford Genome Biology 2005 6:R13   doi:10.1186/gb-2005-6-2-r13
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