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  • 1
    Electronic Resource
    Electronic Resource
    Effect on linkage disequilibrium of selection for a quantitative character with epistasis (1983)
    Springer
    Theoretical and applied genetics 65 (1983), S. 25-30 
    Details
    ISSN: 1432-2242
    Keywords: Linkage disequilibrium ; Selection ; Genetic variance ; Quantitative traits ; Epistasis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Selection for a character controlled by additive genes induces linkage disequilibrium which reduces the additive genetic variance usable for further selective gains. Additive x additive epistasis contributes to selection response through development of linkage disequilibrium between interacting loci. To investigate the relative importance of the two effects of linkage disequilibrium, formulae are presented and results are reported of simulations using models involving additive, additive x additive and dominance components. The results suggest that so long as epistatic effects are not large relative to additive effects, and the proportion of pairs of loci which show epistasis is not very high, the predominant effect of linkage disequilibrium will be to reduce the rate of selection response.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00276258
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Theory of nucleus breeding schemes with overlapping generations (1978)
    Springer
    Theoretical and applied genetics 53 (1978), S. 17-24 
    Details
    ISSN: 1432-2242
    Keywords: Nucleus ; Genetic ; Breeding ; Overlapping generations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Explicit methods are derived for estimating steady-state genetic responses and genetic differences between nucleus and base progeny crops in open nucleus breeding schemes which utilize genetic differences between progeny groups with parents of different ages or between age groups. Explicit methods are also given for estimating proportions which should be selected from the different nucleus and base selection groups so as to maximise genetic responses under each of a range of selection methods. Some basic differences between selection programmes utilizing genetic differences between progeny groups with parents of different ages and those utilizing genetic differences between age groups in nucleus breeding schemes are summarized.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00273131
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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