Stochastic phenotypic switching arises in response to directional selection in experimentally evolved multicellular yeast.

Abstract excerpt

Phenotypic diversity in genetically homogenous populations has increasingly been recognized as potentially adaptive even under constant conditions. The origins of adaptive differentiation during major evolutionary transitions, such as the evolution of multicellularity and eusociality, are generally thought to arise from pre-existing stochastic and plastic phenotypic heterogeneity. Here, we characterize phenotypic...

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