Polygene - Wikipedia
A polygene is a member of a group of non-epistatic genes that interact additively to influence a phenotypic trait, thus contributing to multiple-gene inheritance (polygenic inheritance, multigenic inheritance, quantitative inheritance [1]), a type of non-Mendelian inheritance, as opposed to single-gene inheritance, which is the core notion of ...
Polygenic Inheritance - SpringerLink
2022年1月1日 · A polygene is any gene that interacts with one or more other genes to influence some aspect of phenotypic expression. Physical characteristics such as height, skin color, and eye color in humans are examples of polygenically controlled phenotypes.
Polygenic adaptation: a unifying framework to understand ... - Nature
2020年6月29日 · Most adaption processes have a polygenic genetic basis, but even with the recent explosive growth of genomic data we are still lacking a unified framework describing the dynamics of selected alleles.
Polygene Definition and Examples - Biology Online Dictionary
2021年2月27日 · A polygene refers to a group of genes that when expressed together produce a particular phenotype or trait. The trait produced is therefore a result of the expression of multiple genes. This type of trait is referred to as a polygenic trait. In humans, it is exemplified by skin colour, height, and weight.
Polygeny - SpringerLink
2020年6月26日 · A polygene or “multiple gene inheritance” can be defined as a group of nonepistatic genes that act together to influence a phenotypic trait. Traits controlled by polygenes are called polygenic traits, and they display continuous variation in phenotype.
Polygenic Inheritance - Definition and Examples - Biology …
2017年2月13日 · Polygenic Inheritance Definition. Polygenic inheritance, also known as quantitative inheritance, refers to a single inherited phenotypic trait that is controlled by two or more different genes.. In a system which differs from Mendelian Genetics, where monogenic traits are determined by the different alleles of a single gene, polygenetic traits may display a range …
Polygenic Trait - National Human Genome Research Institute
5 天之前 · Polygenic Trait. As we've gotten better at identifying regions of the human genome that are associated with disease and at analyzing complicated genomic data, we've learned that the genetic component of many of the most important health conditions of our time — cancer, heart disease, diabetes — are due to the effects of multiple genes.
Polygene - an overview | ScienceDirect Topics
“Polygene” is a term used for an etiologically relevant gene in a chromosomal locus that harbors intragenic or extragenic interindividual sequence variations accounting for a small fraction of the variation of a specific quantitative trait.
8.4: Polygenic Inheritance - Biology LibreTexts
Long Descriptions. Figure 8.4.1 Punnett Squares for One, Two, or Three Loci.This is a simplified example of up to three semi-dominant genes, and in each case the effect on the phenotype is additive, meaning the more “upper case” alleles present, the stronger the phenotype.
What are Polygenes in Genetics? - Anthroholic
2023年7月31日 · In other words, these traits do not follow simple Mendelian inheritance but are instead the result of many genes interacting together. The British geneticist, R.A. Fisher was instrumental in coining the term ‘polygene’; his work provided the initial foundation to understand the genetic basis of complex traits .