Field measurements of genotype by environment interaction for fitness caused by spontaneous mutations in Arabidopsis thaliana.

Abstract excerpt

As the ultimate source of genetic diversity, spontaneous mutation is critical to the evolutionary process. The fitness effects of spontaneous mutations are almost always studied under controlled laboratory conditions rather than under the evolutionarily relevant conditions of the field. Of particular interest is the conditionality of new mutations-that is, is a new mutation harmful regardless of the environment...

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