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The genetic dissection of quantitative traits in crops Electron. J. Biotechnol.
Semagn,Kassa; Bjørnstad,Åsmund; Xu,Yunbi.
Most traits of interest in plant breeding show quantitative inheritance, which complicate the breeding process since phenotypic performances only partially reflects the genetic values of individuals. The genetic variation of a quantitative trait is assumed to be controlled by the collective effects of quantitative trait loci (QTLs), epistasis (interaction between QTLs), the environment, and interaction between QTL and environment. Exploiting molecular markers in breeding involve finding a subset of markers associated with one or more QTLs that regulate the expression of complex traits. Many QTL mapping studies conducted in the last two decades identified QTLs that generally explained a significant proportion of the phenotypic variance, and therefore, gave...
Tipo: Journal article Palavras-chave: Association mapping; Linkage disequilibrium; Markers assisted selection; Molecular breeding; Molecular markers; Quantitative trait; QTL mapping; QTL analysis.
Ano: 2010 URL:
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