This inheritance pattern is called polygenic inheritance (poly– = many). For instance, a recent study found over 400 genes linked to variation in height  . When there are large numbers of genes involved, it becomes hard to distinguish the effect of each individual gene, and even harder to see that gene variants (alleles) are inherited ...
A polygenic trait is a characteristic, sometimes we call them phenotypes, that are affected by many, many different genes. A classic example of this would be height. Height in humans is very strongly genetically controlled, but there are many, many different genes that control height.
The inheritance of several polygenic characteristics is evident through their outlook. For instance, a person is likely to be taller if the genes carrying ‘tall’ feature are dominant. Contrarily, when there is the dominance of the genes that carry ‘short’ feature, the individual is likely to be shorter in height.
Polygenic inheritance is a type of incomplete dominance inheritance, where the expressed phenotypes are a mixture of inherited traits. Polygenic traits have a bell-shaped distribution in a population with most individuals inheriting various combinations of alleles and falling within the middle range of the curve for a particular trait.
Polygenic Inheritance: Polygenic inheritance is controlled by two or more pairs of nonallelic genes. In which the dominant alleles have a cumulative effect. Each dominant gene added will add to the character and the result will be an additive effect of all dominant genes.
Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many genes in contrast to monogenic inheritance wherein the trait results from the expression of one gene (or one gene pair).. Polygenic inheritance 10.3.1 Define polygenic inheritance. 10.3.2 Explain that polygenic inheritance can contribute to continuous variation using two ...
Polygenic inheritance is a pattern responsible for many features that seem simple on the surface. Many traits such as height, shape, weight, color, and metabolic rate are governed by the cumulative effects of many genes. Polygenic traits are not expressed as absolute or discrete
Polygenic inheritance refers to any trait, such as human skin color, that can be expressed in varying gradients because it is influenced by multiple genes. Because many traits are spread out across a continuum, rather than being divided into black and white differences, polygenic inheritance helps to explain the way in which these traits are ...
Polygenism is a theory of human origins which posits the view that the human races are of different origins (polygenesis).This view is opposite to the idea of monogenism, which posits a single origin of humanity.Modern scientific views no longer favor the polygenic model, with the monogenic "Out of Africa" theory and its variants being the most widely accepted models for human origins.
The Main Examples of Polygenic Inheritance in both Plants and Animals are listed below: 1. Grain Color in Wheat: It was Swedish scientist Nilsson – Ehle (1909) who first studied the inheritance pattern of the colour of the grain in wheat. In some types, the kernel color is red (aleurone color) and in others white […]