Punctuated evolution caused by selection of rare beneficial mutations.

doi:10.1126/science.272.5269.1802

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Article

Punctuated evolution caused by selection of rare beneficial mutations.

Science (New York, N.Y.) - 21 Jun 1996

Elena S F, Cooper V S, Lenski R E

Abstract excerpt

For more than two decades there has been intense debate over the hypothesis that most morphological evolution occurs during relatively brief episodes of rapid change that punctuate much longer periods of stasis. A clear and unambiguous case of punctuated evolution is presented for cell size in a...

Topics

Alleles
Analysis of Variance
Biological Evolution
Culture Media
Escherichia coli
Models, Statistical
Mutation
Selection, Genetic

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