quantitative genetics

(redirected from Polygenic trait)
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Related to Polygenic trait: quantitative inheritance, Polygenic inheritance

quantitative genetics

n. (used with a sing. verb)
The study of the effects that heredity and environment have on traits that can be quantitatively measured, such as size.
References in periodicals archive ?
Successful directional selection for any polygenic trait can lead to a reduction of genetic diversity, as favorable genetic combinations are fixed in the breeding population.
c) A polygenic trait may have several different phenotypes and genotypes.
Since human susceptibility to tuberculosis is a complicated polygenic trait, interactive effects between the polymorphism studied and other SNPs in human genes (including those in IFN-[gamma] network), need to be evaluated.
Although the genes that affect a polygenic trait such as carcass and meat quality traits are unknown, a number of potential candidate genes have been identified and selected for association analyses on the basis of known relationship between physiological or biochemical processes and economically important traits (Yao et al.