• Patterns of heterosis and crossing barriers resulting from increasing genetic distance between populations of theMimulus luteus complex

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    • Abstract

       

      Ability of several populations of theMimulus luteas complex to intercross was compared with an estimate of genetic divergence of the populations derived from a Prim network based on 134 traits. On the average we find that low levels of genetic differentiation result in heterosis or partial interference with ability to intercross and that with increasing genetic divergence, these are replaced with increasingly strong barriers to gene exchange.

    • Author Affiliations

       

      Karen W. Hughes1 Robert K. Vickery2

      1. Department of Botany, University of Tennessee, Knoxville - 37916
      2. Department of Biology, University of Utah, Salt Lake City - 84112
    • Dates

       
  • Journal of Genetics | News

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