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Any of a group of nonallelic genes, each having a small quantitative effect, that together produce a wide range of phenotypic variation. Also called multiple factor.


(Genetics) any of a group of genes that each produce a small quantitative effect on a particular characteristic of the phenotype, such as height


(ˈpɒl iˌdʒin)

any of a group of genes that act together cumulatively to produce a trait, as stature or skin pigmentation.
[1940–45; back formation from polygenic; see poly-, gene, -ic]
pol`y•gen′ic (-ˈdʒɛn ɪk) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.polygene - a gene that by itself has little effect on the phenotype but which can act together with others to produce observable variations
cistron, gene, factor - (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity; "genes were formerly called factors"
References in periodicals archive ?
Evidence for a major gene by polygene interaction for milk production traits in German Holstein dairy cattle.
The field of genetics has moved toward creating polygene scores that aggregate across many genes and show predictive power in cases where individual genes cannot be detected (Purcell et al.
1993), all these measurements are distributed normally and their inheritance is achieved by polygene.
Evidence from polygene mapping for a causal relationship between potato tuber dormancy and abscisic acid content.
POLYANDROUS no Andrews singing sis POLYGRAPHIC a birdy tattle-tale POLYSYLLABIC see Polyglottal POLYGRANTA a fondness for pomegranate seeds POLYALCOHOL booze for birds POLYCENTRIC a parrot turns into a penny POLYGON she flew away POLYGLOTTAL swears in many tongues POLYPHONOUS a birdy phone phreak POLYUNSATURATED never goes out in the rain POLYMORPHOUS a sleepy one, or shape shitter POLYCARBONATE the parrot ate the carbon copy POLYGENE cowboy singer Autry's parrot POLYNOMIAL she didn't get any food
Levin writes: "should the black and white intelligence polygene turn out to be identical, and there is a mean difference in intelligence due entirely to environmental factors, all that would follow is that blacks would be on average as intelligent as whites if both were raised identically.
Distribution and density of polygene fire ants (Hymenoptera: Formicidae in Texas).
TASE:BLRX), Israel's leading drug development company, today announced that it has signed worldwide exclusive license agreements with PolyGene Ltd.
QTLs and markers genotype : Three traits were researched, each of which were affected by a QTL and polygene respectively, each of the three corresponding QTLs has two alleles (Q and q), Q was favourable allele, q was unfavourable allele, there were no dominant effect between them.
Unfortunately, the heterogeneity of complex polygene disorders (particularly for type 2) has impeded progress, and screening for diabetogenes is unlikely to be feasible for some time.
However the positive additive effects due to polygene were observed in the crosses during both years.