polygenes


Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to polygenes: Pleiotropic Genes

polygenes

GENES that acting individually have a small effect but that collectively produce a significant phenotypic expression.
References in periodicals archive ?
SOLAR incorporates the information contained in the participants' pedigrees to obtain maximum likelihood estimates for the proportion of unexplained variance due to additive genetic effects from polygenes and the proportion of variance due to unmeasured environmental covariates, measurement error and non-additive genetic effects.
As Tanksley (1993) concluded, "enough data have accumulated from marker studies to establish definitively that polygenes do vary widely in their effects and that the assumption of many polygenes with equal effects .
mexicanus had intermediate eye development, indicating genetic control, probably by polygenes (Peters and Peters, 1973).
When ratio of QTL variance is relatively large, polygenes have little effect on traits, so QTL favourable allele is easily fixed in population, limiting trait's improvement.
Estimating effects of a single gene and polygenes on quantitative traits from diallel design.
Diallel analysis showed that genotype differences on Si content in rice were controlled by polygenes (Majumder et al.