quantitative trait


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quantitative trait

[‚kwänt·ə‚tād·iv ′trāt]
(genetics)
A trait that is under the control of many factors, both genetic and environmental, each of which contributes only a small amount to the total variability of the trait.
References in periodicals archive ?
Fine mapping of a grain-weight quantitative trait locus in the pericentromeric region of rice chromosome 3.
High-density single nucleotide polymorphisms linkage and quantitative trait locus mapping of the pearl oyster, Pinctada fucata martensii Dunker.
It appears that a substantial proportion of the phenotypic variation in many quantitative traits can be explained with few loci of large effect, with the remainder due to numerous loci of small effect.
Quantitative trait locus mapping for acute functional tolerance to ethanol in the L x S recombinant inbred panel.
Since current study, was carried out using 214 lentil landrace collected from Jordan that exhibited high genetic variability between and within clusters for the majority of the studied quantitative traits.
Quantitative trait loci affecting growth and carcass composition of cattle segregating alternate forms of myosta tin.
It therefore seems safe to say that the issue of reducing the QTL interval (given the generally modest effect size of most behavioral QTLs) has been the biggest impediment in moving from identifying QTLs to identifying the actual quantitative trait gene(s) (QTGs) and eventually even the relevant nucleotides in those genes (i.
Environmental effects do influence the phenotypic expression of a quantitative trait.
2:4] population was continuously distributed as expected for a quantitative trait (Fig.
The power of interval mapping of quantitative trait loci, using selected sib pairs.

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