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Genetic changes of pupa weight inTribolium castaneum under domestication

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Summary

The evolution of the genetic and phenotypic parameters of pupa weight in 6 wild populations ofTribolium castaneum under domestication was studied. A gradual increase of the phenotypic and additive genetic variances of the populations was detected accompanied by small or non-significant changes of the mean. These results are interpreted as short-term consequences of the relaxation of centripetal (stabilizing) selection forces under laboratory conditions.

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Authors and Affiliations

  1. Departamento de Genética, Instituto Nacional de Investigaciones Agrarias, Carretera de La Coruña Km. 7, Madrid-35, Spain

    M. A. Toro & C. López-Fanjul

  2. Departamento de Genética, Facultad de Biología, Universidad Complutense de Madrid, Madrid-3, Spain

    M. A. Toro & C. López-Fanjul

Authors
  1. M. A. Toro
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  2. C. López-Fanjul
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Additional information

We wish to thank Prof. F.J. Ayala for useful discussions in the preparation of this paper.

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Toro, M.A., López-Fanjul, C. Genetic changes of pupa weight inTribolium castaneum under domestication. Experientia 35, 1296–1298 (1979). https://doi.org/10.1007/BF01963968

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