MetaGlossary.com: Polygene

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Keywords: Phenotype, Quantitative, Trait, Nonallelic, Mendelian

Related Terms: Allele, Dominant, Genotype, Heredity, Heritable, Mendelian, Polymorphism, Recessive, Heterozygote, Heterozygous, Homozygous, Genetic Polymorphism, Genetic Variation, Dominant Inheritance, Alleles, Mendelian Inheritance, Autosomal Dominant, Haplotype, Codominance, Monohybrid, Mutant, Linkage Disequilibrium, Homozygote, Genetic Linkage, Dihybrid, Dominance, Autosomal Dominant Inheritance, Autosomal Recessive Inheritance, Polygenic Inheritance, Autosomal Recessive, Epistasis, Pleiotropy, Recessive Inheritance, Recessive Gene, Codominant, Dominant Gene, Genetic Heterogeneity, Fixation, Null Allele, Heterozygosity, Polygenic, Loss Of Heterozygosity, Complementation, Haploinsufficiency, Quantitative Trait Locus, Monogenic, Multifactorial Inheritance, Polygenes, Complex Trait, Pooling

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One of a number of genes, each of small effect, which together act to determine the phenotype of a quantitative trait. The result is continuous variation in the trait and a seemingly non-Mendelian mode of inheritance.

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See multiple-factor hypothesis.

http://helios.bto.ed.ac.uk/bto/glossary/p.htm

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a gene that by itself has little effect on the phenotype but which can act together with others to produce observable variations

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one of a group of genes that together control a quantitative character

http://www.emporia.edu/biosci/genetics/glossary.htm

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A polygene, multiple factor, or quantitative gene is a group of nonallelic genes that together influence a phenotypic trait. The loci or identities of the nonallelic genes are frequently unknown to biologists, even though they are known to exist. The genes that contribute to type 2 diabetes are thought to be mostly polygenes.

http://en.wikipedia.org/wiki/Polygene

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