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ratchet mechanismRatschenmechanismus (ger.)

  • The accumulation of disadvantageous mutations in populations of asexually reproducing organisms. (HWB 2011)
    an asexual population incorporates a kind of ratchet mechanism, such that it can never get to contain, in any of its lines, a load of mutations smaller than that already existing in its at present least-loaded lines
    Muller, H.J. (1964). The relation of recombination to mutational advance. Mutation Res. 1, 2-9: 8; cf. id (1958). Evolution by mutation. Bull. Amer. Math. Soc. 64, 137-160.
    Muller’s ratchet
    Felsenstein, J. (1974). The evolutionary advantage of recombination. Genetics 78, 737-756: 746.

    Müllers Ratsche

    Maynard Smith, J. (1978). Ökologie der Sexualität. In: Krebs, J.R. & Davies, N.B. (eds.) (1981). Öko-Ethologie, 131-146: 131.