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首页> 外文期刊>Trends in Ecology & Evolution >The Tangled Evolutionary Legacies of Range Expansion and Hybridization
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The Tangled Evolutionary Legacies of Range Expansion and Hybridization

机译:缠绕的范围扩张和杂交的缠结的进化遗址

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摘要

Spatial sorting of dispersal-enhancing traits has been implicated in substantial directional changes in the phenotypic and genotypic makeup of populations undergoing range expansion. We explore here the evolutionary consequences of such changes when two divergent lineages come into secondary contact. We combine instances from the study of contemporary range expansions and historical hybridizations, and highlight links between dispersal, sexual, and physiological traits during the non-equilibrium conditions imposed by range expansions. We argue that a stronger research focus on processes of spatial sorting of multiple traits will improve our understanding of subsequent hybridization dynamics and their evolutionary outcomes, including genomic introgression and speciation.
机译:分散性的空间分类涉及到正在进行范围扩张的群体的表型和基因型化妆中的大致定向变化。 我们在这里探讨了两种不同谱系进入二次接触时这种变化的进化后果。 我们将实例与当代范围扩张和历史杂交的研究相结合,并在范围扩张施加的非平衡条件下突出分散,性和生理性状之间的联系。 我们认为,较强的研究重点关注多种特征的空间分类过程将改善我们对随后的杂交动态及其进化结果的理解,包括基因组血栓和形态。

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