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. 2014 Feb 14;9(2):e88651. doi: 10.1371/journal.pone.0088651

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© 2014 Yanchukov, Proulx

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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The fitness of the genotype is plotted against the proportion of the chromosome occupied by the foreign genes: corresponds to additive fitness (no epistasis), while and represent the positive and the negative epistasis, correspondingly. The points indicate the fitness of the initial block carrying 4 genes at . Point 1: n = 10, fitness is calculated according to eq. 12. Point 2: n = 10, fitness is rescaled by the length of the initial block. Point 3: initial block carries the maximum number of genes, .

Inline graphic — The fitness of the genotype is plotted against the proportion of the chromosome occupied by the foreign genes: corresponds to additive fitness (no epistasis), while and represent the positive and the negative epistasis, correspondingly. The points indicate the fitness of the initial block carrying 4 genes at . Point 1: n = 10, fitness is calculated according to eq. 12. Point 2: n = 10, fitness is rescaled by the length of the initial block. Point 3: initial block carries the maximum number of genes, .