News of the WeekEvolution

Natural Selection, Not Chance, Paints the Desert Landscape

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Science  19 Oct 2007:
Vol. 318, Issue 5849, pp. 376
DOI: 10.1126/science.318.5849.376

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Summary

Two evolutionary biologists have found that the color patterns in a flower called desert snow, which for 60 years have been attributed to genetic drift, are actually the result of natural selection.