Convergence and parallelism reconsidered: what have we learned about the genetics of adaptation?

被引：439

作者：

Arendt, Jeff ^{[1
]}

Reznick, David ^{[1
,2
]}

机构：

[1] Univ Calif Riverside, Dept Biol, 900 Univ Ave, Riverside, CA 92521 USA

[2] Univ Calif Riverside, Ctr Conservat Biol, Riverside, CA 92521 USA

来源：

TRENDS IN ECOLOGY & EVOLUTION | 2008年 / 23卷 / 01期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/j.tree.2007.09.011

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Biologists often distinguish 'convergent' from 'parallel' evolution. This distinction usually assumes that when a given phenotype evolves, the underlying genetic mechanisms are different in distantly related species (convergent) but similar in closely related species (parallel). However, several examples show that the same phenotype might evolve among populations within a species by changes in different genes. Conversely, similar phenotypes might evolve in distantly related species by changes in the same gene. We thus argue that the distinction between 'convergent' and 'parallel' evolution is a false dichotomy, at best representing ends of a continuum. We can simplify our vocabulary; all instances of the independent evolution of a given phenotype can be described with a single term - convergent.

引用

页码：26 / 32

页数：7

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