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. 2018 Feb 5;8:2414. doi: 10.1038/s41598-018-20543-6

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© The Author(s) 2018

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Density-dependent demographic parameters influencing the landscape of observed phenotypes. The phenotypic landscape is extrapolated from the contribution of five additive genes (n_L = 5). We show the effect of the absence of interspecific competition (α₀₁ = α₁₀ = 0) with equal or unequal carrying capacities between the two parental species (K₁ = K₀ or K₁ = 1.5 K₀). We explored various levels of interbreeding success rate, from rare hybridization success (γ = 0.01) to a panmictic mating system (γ = 1). The data corresponds to the situation after 100 generations of independent evolution and 150 generations of hybridization (250 total generations).