Experimental tests of the roles of adaptation, chance, and history in evolution

Michael Travisano, Judith A. Mongold, Albert F. Bennett, Richard E. Lenski

Research output: Contribution to journalArticlepeer-review

322 Scopus citations

Abstract

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.

Original languageEnglish (US)
Pages (from-to)87-90
Number of pages4
JournalScience
Volume267
Issue number5194
DOIs
StatePublished - 1995

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