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Quantitative trait loci


Quantitative trait loci (QTL)
The location of a gene that affects a trait that is measured on a quantitative (linear) scale. These traits are typically affected by more than one gene, and also by the environment.
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A genetic map of the dog genome will make breed-specific traits amenable to quantitative trait loci (QTL) analysis. Presently, a genetic map of dog consisting of microsatellite markers is being assembled [1].
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A more recent development of quantitative genetics is the analysis of quantitative trait loci.
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