4.8 Article

Variation in the reversibility of evolution

期刊

NATURE
卷 408, 期 6811, 页码 463-466

出版社

MACMILLAN PUBLISHERS LTD
DOI: 10.1038/35044070

关键词

-

向作者/读者索取更多资源

How reversible is adaptive evolution(1-6)? Studies of microbes give mixed answers to this question(6-11). Reverse evolution has been little studied in sexual populations(12-14), even though the population genetics of sexual populations may be quite different. In the present study, 25 diverged replicated populations of Drosophila melanogaster are returned to a common ancestral environment for 50 generations. Here we show that reverse evolution back to the ancestral state occurs, but is not universal, instead depending on previous evolutionary history and the character studied. Hybrid populations showed no greater tendency to undergo successful reverse evolution, suggesting that insufficient genetic variation was not the factor limiting reverse evolution. Adaptive reverse evolution is a contingent process which occurs with only 50 generations of sexual reproduction.

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。

评论

主要评分

4.8
评分不足

次要评分

新颖性
-
重要性
-
科学严谨性
-
评价这篇论文

推荐

暂无数据
暂无数据