quantitative trait

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quantitative trait

A phenotype that varies in quantity, such as height or number of bristles.


pertaining to observations of a numerical kind, e.g. 50 kg, 2 m, 24 hands.

quantitative characters
features of animal productivity or performance which can be measured quantitatively.
quantitative data
numerical data.
quantitative inheritance
genetic transmission of phenotypes which are quantitative and continuous.
quantitative trait
see quantitative trait.


1. any genetically determined condition; also, the condition prevailing in the heterozygous state of a recessive disorder.
2. a distinctive behavior pattern.

trait A-46
see inherited parakeratosis.
qualitative trait
a characteristic that is expressed only in descriptive terms, e.g. fine bone, deep chest.
quantitative trait
a characteristic that is expressed mathematically, e.g. an annual yield of milk of 15,000 lb.
sex-linked trait
the gene for the trait is located on the chromosomes which determine the sex of the individual.
References in periodicals archive ?
Quantitative trait loci mapping for fatty acid composition traits in perirenal and back fat using a Japanese wild boar x Large White intercross.
Identification of salt tolerance-improving quantitative trait loci alleles from a salt-susceptible rice breeding line by introgression breeding.
Quantitative trait loci involved in genetic predisposition to acute alcohol withdrawal in mice.
Ajlouni: Genetic Variation For Quantitative Traits In Jordanian Lentil Landraces
A primary screen of the bovine genome for quantitative trait loci affecting carcass and growth traits.
Analysis of quantitative trait loci that influence animal behavior.
Quantitative traits are controlled by possibly hundreds or thousands of gene pairs located on several different chromosome pairs.
Identification of quantitative trait loci using a small sample of topcrossed and [F.
Extreme discordant sib pairs for mapping quantitative trait loci in humans.
The number of QTLs and the magnitude of their effects affecting a quantitative trait are a function of environment (see also Paterson et al.
To date, 120 quantitative trait loci (QTLs) have been identified for teat number which span almost all pig chromosomes (http://www.

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