Additive genetic effects
Additive Genetic Effects
Additive genetic effects (pronunciation: /æd.ɪ.tɪv dʒɪˈnɛt.ɪk ɪˈfɛkts/) refer to the cumulative impact of individual genes on a phenotype, assuming that each gene contributes independently and linearly to the outcome. The concept is central to quantitative genetics, which studies the genetic basis of complex traits.
Etymology
The term "additive genetic effects" is derived from the concept of addition in mathematics. In this context, it refers to the sum of the effects of individual genes on a phenotype.
Related Terms
- Gene: A unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.
- Phenotype: The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
- Quantitative genetics: A branch of genetics that deals with the genetic mechanisms and evolutionary processes that govern the variation in complex traits.
- Genotype: The genetic constitution of an individual organism.
- Allele: One of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
See Also
References
External links
- Medical encyclopedia article on Additive genetic effects
- Wikipedia's article - Additive genetic effects
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