Quantitative trait locus
DNA LOCUS ASSOCIATED WITH VARIATION IN A QUANTITATIVE TRAIT
Qtl; Qtl mapping; QTL; QTL mapping; Quantative trait loci; Quantative trait locus; Quantitative trait loci; Polygenic inheritance; Polygenic traits; Quantitative Trait Gene; Quantitative trait gene; QTG; Quantitative Trait Locus; Multifactorial inheritance; Quantitative Trait Loci; Mapping of Quantitative Trait Loci; Polygenic character; Multifactorial trait; Mapping of quantitative trait loci; Complex Trait; Linkage based QTL mapping; Quantitative trait loci mapping
A quantitative trait locus (QTL) is a locus (section of DNA) that correlates with variation of a quantitative trait in the phenotype of a population of organisms. QTLs are mapped by identifying which molecular markers (such as SNPs or AFLPs) correlate with an observed trait.