Fluctuating Environments Maintain Genetic Diversity through Neutral Fitness Effects and Balancing Selection.

Abstract excerpt

Genetic variation is the raw material upon which selection acts. The majority of environmental conditions change over time and therefore may result in variable selective effects. How temporally fluctuating environments impact the distribution of fitness effects and in turn population diversity is an unresolved question in evolutionary biology. Here, we employed continuous culturing using chemostats to establish...

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