Natural selection drives emergent genetic homogeneity in a century-scale experiment with barley.

doi:10.1126/science.adl0038

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Article

Natural selection drives emergent genetic homogeneity in a century-scale experiment with barley.

Science (New York, N.Y.) - 12 Jul 2024

Landis Jacob B, Guercio Angelica M, Brown Keely E, Fiscus Christopher J, Morrell Peter L, Koenig Daniel

Abstract excerpt

Direct observation is central to our understanding of adaptation, but evolution is rarely documented in a large, multicellular organism for more than a few generations. In this study, we observed evolution across a century-scale competition experiment, barley composite cross II (CCII). CCII was founded in 1929 in Davis, California, with thousands of genotypes, but we found that natural selection has massively...

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PMID: 38991084
DOI: 10.1126/science.adl0038

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