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. 2010 Jan 29;4(1):6–10. doi: 10.2976/1.3292182

Figure 1. Two models to explain the added value of gene expression.

Figure 1

(Left panel) Variants in multiple (unlinked) genes (A)–(E) affect mRNA expression in a particular gene (X) and this affects outcome. (Right panel) Zoom-in: gene expression in gene D helps to identify which of the linked genes (A)–(E) contains a DNA variant that affects outcome.