2 results found
    1. Evolutionary Biology

    Adaptive evolution of nontransitive fitness in yeast

    Sean W Buskirk et al.
    A series of selective events, each improving fitness relative to an immediate predecessor, can result in organisms that are less fit compared to a distant ancestor.
    1. Evolutionary Biology

    Experimental Evolution: Failure to progress

    Duncan Greig, Jasmine Ono
    Experiments on yeast cells that are hosts to a killer virus confirm that natural selection can sometimes reduce fitness.
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