Quantitative Trait Loci and Marker Assisted Selection
Identification of quantitative trait loci under drought conditions in tropical maize. 2. Yield components and marker-assisted selection strategies
... making selection more complex (Edmeades et ...efficient selection, and the fact that only one relatively rainfree crop season per year is available for selection in most tropical countries, the use ...
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Detection of Quantitative Trait Loci for Marker-Assisted Selection of Soybean Isoflavone Genistein
... each trait, the differences in the number of QTL detected by maturity test, as well as the differing R 2 values and additive effects for similar QTL detected in different maturity tests help to illustrate the ...
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Quantitative trait loci detection and benefits from marker assisted selection in dairy cattle
... paternal trait, was based on insemi- nations with a bull’s semen to a random set of ...a trait of the bull is based on the mortality at birth of the offspring of the ...
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Genetic Response from Marker Assisted Selection in an Outbred Population for Differing Marker Bracket Sizes and with Two Identified Quantitative Trait Loci
... In total, 35% of the phenotypic variance was due to genetic factors. The trait was measured on females only. Having smaller marker brackets flanking the QTL increased the genetic response from MAS ...
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Fine Mapping of Quantitative Trait Loci Using Linkage Disequilibria With Closely Linked Marker Loci
... 134: 943–951. for Huntington disease? Am. J. Hum. Genet. 49: 1–6. Falconer, D. S., 1989 An Introduction to Quantitative Genetics. Long- Rabinowitz, D., 1997 A transmission disequilibrium test for quanti- man ...
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Multiple Interval Mapping for Quantitative Trait Loci
... analyze epistatic QTL and estimate the individual geno- Vector E contains the QTL main and epistatic effects. typic value and the heritabilities of quantitative traits. If there is no epistasis between some QTL, ...
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Marker-Assisted Introgression of Quantitative Trait Loci
... Yet, even when it is unlikely that one individual with the perfect genotype can be obtained, it is always possible to contemplate per- forming background selection [r] ...
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Marker Pair Selection for Mapping Quantitative Trait Loci
... is large, an overall exhaustive search is usually prohibitive due A remark regarding step 2 is in order. If a sign inconsistency is observed for a pair of markers to be entered, this suggests to the large number of ...
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Marker-Assisted Introgression of Favorable Alleles at Quantitative Trait Loci Between Maize Elite Lines
... perform selection solely on the basis of markers, Such modeling also appears necessary to evaluate, a without confirming the estimated effects by phenotypic priori, the effect of the introgression of a given ...
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Durability of Marker-Quantitative Trait Loci Haplotypes in Structured Populations
... unless selection is very strong, migration is very low, and/or markers are extremely close to the target locus, a neutral marker will not accurately track genotypes at a flanking QTL or target ...symmetric ...
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Detection of Quantitative Trait Loci in Outbred Populations With Incomplete Marker Data
... of marker genotypes for ungenotyped individuals is implemented in a Bayesian approach via the use of Markov chain Monte Carlo ...techniques. Marker data on relatives and phenotypes are combined to compute ...
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Efficiency of marker-assisted selection in the improvement of quantitative traits.
... T h e po- tential efficiency of marker assisted selection on a single trait utilizing a combination of molecular and phenotypic information, relative to standard metho[r] ...
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Stochastic Search Variable Selection for Identifying Multiple Quantitative Trait Loci
... variable selection methodology to develop a Bayesian method for identifying multiple quantitative trait loci (QTL) for complex traits in experimental ...
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A Model Selection Approach for Expression Quantitative Trait Loci (eQTL) Mapping
... DISCUSSION Many important problems in biology and medicine rely on the accurate identification of QTL contributing to variation in quantitative traits. A number of powerful statistical methods for mapping QTL have ...
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The contribution of quantitative trait loci and neutral marker loci to the genetic variances and covariances among quantitative traits in random mating populations.
... This entails no special problems in the laboratory (BECKER 1984; FALCONER 1989) but is difficult in natural populations of many species, such as Drosophila, because relative[r] ...
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Marker-assisted selection strategy to pyramid two or more QTLs for quantitative trait-grain yield under drought
... combines selection based on phenotyping and genotyping in the early ...of selection based on combining phe- notyping and genotyping in identifying better progenies in early generation thereby reducing the ...
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Genetic Variability at Neutral Markers, Quantitative Trait Loci and Trait in a Subdivided Population Under Selection
... given trait is hardly achievable markers, QTL, and trait across different selection pat- in ...few loci showing the highest terns: Figure 6 shows the between-deme differentiation, ...
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Quantitative Trait Loci: A Meta-analysis
... be localized. This map was based on core markers that We first tested our model with 19 QTL, with a E of were present in the different publications. The distances 10 cM; then we included the 5 QTL localized relative ...
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Precision mapping of quantitative trait loci.
... There will be, however, some interference on testing and estimation between those QTLs which are located in adjacent marker intervals when using this composite interval mapping met[r] ...
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Bayesian Model Selection for Genome-Wide Epistatic Quantitative Trait Loci Analysis
... and 18. This epistatic effect was estimated to be 0.936 One of the most challenging statistical problems pre- and explained 5.6% of the phenotypic variance. The pos- sented by QTL mapping is that the number of QTL is un- ...
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