[PDF] Top 20 On models of quantitative genetic variability: a stabilizing selection-balance model.
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On models of quantitative genetic variability: a stabilizing selection-balance model.
... T h e nature of the stable polymorphic states that we are able to study, under stabilizing selection, suggests that MATHER’S polygenic balance is not a tenable hypothesis[r] ... See full document
9
Pleiotropic models of quantitative variation.
... HILL, 1989 Quantitative genetic variability maintained by mutation-selection balance: sampling variation and response to subsequent directional selection. KACSER, 1987 Dominance,[r] ... See full document
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Linkage and the maintenance of heritable variation by mutation-selection balance.
... two-locus models. Cambridge University Press. FELDMAN, 1970 Linkage and selection: two locus symmetric viability model. HILL, 1988 Quantitative genetic variability maintained b[r] ... See full document
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Adaptive Fixation in Two-Locus Models of Stabilizing Selection and Genetic Drift
... (1986) model including pleiotropy was proposed by Gimel- farb ...this model, n diallelic loci contribute addi- tively to n quantitative traits under stabilizing selection, such that ... See full document
13
Pleiotropic Model of Maintenance of Quantitative Genetic Variation at Mutation-Selection Balance
... pleiotropic model on the basis neutral and irrelevant to fitness (Gavrilets and de of previous theoretical studies and empirical data avail- Jong ...apparent stabilizing selection (V s ) alleles ... See full document
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The Paradox of Stasis and the Nature of Explanations in Evolutionary Biology
... of quantitative genetics models and compare the outputs of those models to the data-set from Gingerich ...(2001). Selection, in these models, is about the relationship between the ... See full document
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Influence of Dominance, Leptokurtosis and Pleiotropy of Deleterious Mutations on Quantitative Genetic Variation at Mutation-Selection Balance
... apparent stabilizing selection have that inclusion of more realistically variable dominance abundant variation (Falconer and Mackay 1996; Bu ¨ r- of mutations strengthens the previous joint-effect ... See full document
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Dynamics of genetic variability in two-locus models of stabilizing selection.
... We demonstrate that under these conditions, which are plausible in nature and certainly the case in artificial stabilizing selection experi- ments, the model can have a polymorphic[r] ... See full document
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Genetic Variability at Neutral Markers, Quantitative Trait Loci and Trait in a Subdivided Population Under Selection
... multiallelic model is untractable analyt- then considered a set of d identical demes of constant ically and was analyzed using simulations (see computer size ...diallelic model. We considered n loci, ... See full document
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Redistribution of Gene Frequency and Changes of Genetic Variation Following a Bottleneck in Population Size
... influencing quantitative traits is important to our understanding of their genetic basis and their evolution, direct information from laboratory experiments is very ...different models of ... See full document
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Genetic Variation Maintained in Multilocus Models of Additive Quantitative Traits Under Stabilizing Selection
... of genetic variance (because the more similar effects of loci are, the more closely the they are polymorphic in more than one locus or because optimum can be matched by a completely homozygous an allele of large ... See full document
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The maintenance of genetic variability in two-locus models of stabilizing selection.
... If the fitness function is smooth at the optimum, then a stable polymorphism exists at both loci only if selection is strong at the major locus.. T HE maintenance of genet[r] ... See full document
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Joint Effects of Pleiotropic Selection and Stabilizing Selection on the Maintenance of Quantitative Genetic Variation at Mutation-Selection Balance
... In quantitative genetics, there are two basic “conflicting” observations: abundant polygenic variation and strong stabilizing selection that should rapidly deplete that ...of model have been ... See full document
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GENETIC VARIABILITY STUDIES IN BREAD WHEAT (TRITICUM AESTIVUM L.) ACCESSIONS
... The data collected was subjected to analysis of variance to test the level of significance among the genotypes for different characters according to Steel et al. (1997). Various descriptive parameters (mean, standard ... See full document
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The Genetics of Adaptation: The Roles of Pleiotropy, Stabilizing Selection and Drift in Shaping the Distribution of Bidirectional Fixed Mutational Effects
... of selection and opposite to selection for the same ...directional selection is occurring, and, not surprisingly, as the degree of pleiotropy increases the frequency of fixed deleterious effects ... See full document
12
Genotypic variation for a quantitative character maintained under stabilizing selection without mutations: epistasis.
... Results in Table 1 clearly demonstrate that large amounts of genotypic variation (close to the maximum possible without selection) can be maintained for a quantitative [r] ... See full document
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Estimation of Deleterious-Mutation Parameters in Natural Populations
... For populations in which the genetic variance for fitness is a consequence of selection-mutation balance, the mean fitness and genetic variance of fitness in outb[r] ... See full document
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Genetic Components of Variation in Nemophila menziesii Undergoing Inbreeding: Morphology and Flowering Time
... our model and, thus, eliminate Botanic ...this model are complicated (Weir and Cock- grown to maturity in a greenhouse at ...report genetic variation in response to biotic conditions morphology, and ... See full document
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28. Impact of half-sib family recurrent selection on grain yield in maize population ZM-309
... Recurrent selection is an important breeding technique for bringing desirable improvement in maize ...estimate genetic variability, heritability, selection differential, selection ... See full document
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Mutation models and quantitative genetic variation.
... Because mutation does not change the mean of allelic effects and the increase of the genetic variance is expected to be constant, the model is also called t h e [r] ... See full document
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