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Limits of artificial selection under unbalanced mating systems

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Summary

The influence of unbalanced mating systems — factorial mating (FM) and random loss of families after a full diallel crossing (RS) — on the ultimate probability of gene fixation (u(Π)) and the time required to fix or lose a gene (t(Π)) are investigated. The average u(Π) of these systems is smaller than that of random mating, and the range of u(Π) for a given initial parental genotype combination is very large (close to one for most initial genotypic combinations). The average u(Π) of different parental genotypic combinations of a given gene frequency are different. These systems accelerate the t(Π).

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Authors and Affiliations

  1. US Department of Agriculture-Forest Service, North Central Forest Experiment Station, Forestry Sciences Laboratory, Rhinelander, Wis., USA

    H. Kang

  2. Southeastern Forest Experiment Station, US Department of Agriculture-Forest Service and Genetics Department, North Carolina State University, Raleigh, N. C., USA

    G. Namkoong

Authors
  1. H. Kang
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  2. G. Namkoong
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Communicated by R.W. Allard

This article was written and prepared by U.S. Government employees on official time, and it is therefore in the public domain

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Kang, H., Namkoong, G. Limits of artificial selection under unbalanced mating systems. Theoret. Appl. Genetics 58, 181–191 (1980). https://doi.org/10.1007/BF00263115

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  • DOI: https://doi.org/10.1007/BF00263115

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