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Figure 6 | BMC Evolutionary Biology

Figure 6

From: Proportionality between variances in gene expression induced by noise and mutation: consequence of evolutionary robustness

Figure 6

Plot of ( V ip ( i ), V g ( i )) over all genes, after 200 generations, computed in the same manner as that described in Figure 2. Instead of a single mutation per network adopted thus far, we used much a larger number of mutations. Each color represented the variances as a result of 20, 75, 100, and 140 mutations per network, which gave additions or deletions of paths chosen randomly in the gene regulation network (GRN). After mutation number ~ 100, many of genes touched the line V g (i) = V ip (i), where error catastrophe was percolated over many genes.

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