期刊
SCIENCE
卷 323, 期 5915, 页码 737-741出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1160006
关键词
-
资金
- Natural Sciences and Engineering Research Council of Canada
- Canada Foundation for Innovation
Natural selection commonly drives the origin of species, as Darwin initially claimed. Mechanisms of speciation by selection fall into two broad categories: ecological and mutation- order. Under ecological speciation, divergence is driven by divergent natural selection between environments, whereas under mutation- order speciation, divergence occurs when different mutations arise and are fixed in separate populations adapting to similar selection pressures. Tests of parallel evolution of reproductive isolation, trait- based assortative mating, and reproductive isolation by active selection have demonstrated that ecological speciation is a common means by which new species arise. Evidence for mutation- order speciation by natural selection is more limited and has been best documented by instances of reproductive isolation resulting from intragenomic conflict. However, we still have not identified all aspects of selection, and identifying the underlying genes for reproductive isolation remains challenging.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据