EXPERIMENTAL TESTS OF THE ROLES OF ADAPTATION, CHANCE, AND HISTORY IN EVOLUTION

被引：355

作者：

TRAVISANO, M

MONGOLD, JA

BENNETT, AF

LENSKI, RE

机构：

[1] MICHIGAN STATE UNIV, CTR MICROBIAL ECOL, E LANSING, MI 48824 USA

[2] UNIV CALIF IRVINE, DEPT ECOL & EVOLUTIONARY BIOL, IRVINE, CA 92717 USA

来源：

SCIENCE | 1995年 / 267卷 / 5194期

关键词：

D O I：

10.1126/science.7809610

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The contributions of adaptation, chance, and history to the evolution of fitness and cell size were measured in two separate experiments using bacteria. In both experiments, populations propagated in identical environments achieved similar fitnesses, regardless of prior history or subsequent chance events. In contrast, the evolution of cell size, a trait weakly correlated with fitness, was more strongly influenced by history and chance.

引用

页码：87 / 90

页数：4

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