Parallel genome-wide fixation of ancestral alleles in partially outcrossing experimental populations of Caenorhabditis elegans.

Abstract excerpt

Experimental evolution studies, coupled with new advances in DNA sequencing technology, have become a powerful tool for exploring how populations respond to selection at the genomic level. Recent experiments in microbes typically have found evidence for multiple novel mutations, which are usually fixed. In contrast, in animal model systems, evolutionary responses seem to involve more modest changes in the...

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