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Cited by 518

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Epistasis and its contribution to genetic variance components.

Open access
Cheverud, J M, Routman, E J·1995·Genetics

Abstract

We present a new parameterization of physiological epistasis that allows the measurement of epistasis separate from its effects on the interaction (epistatic) genetic variance component. Epistasis is the deviation of two-locus genotypic values from the sum of the contributing single-locus genotypic values. This parameterization leads to statistical tests for epistasis given estimates of two-locus genotypic values such as can be obtained from quantitative trait locus studies. The contributions of epistasis to the additive, dominance and interaction genetic variances are specified. Epistasis can make substantial contributions to each of these variance components. This parameterization of epistasis allows general consideration of the role of epistasis in evolution by defining its contribution to the additive genetic variance.

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Crossref · 10.1093/genetics/139.3.1455

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Metadata

Authors
Cheverud, J. M., & Routman, E. J.
Venue
Genetics
Published
1995-03-01
Volume
139
Issue
3
Pages
1455-1461
ISSN
  • 0016-6731 (ISSN-L)
  • 1943-2631
OpenAlex
W2157308673
Cited by
518
References
2
FWCI
5.27
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Epistasis and its contribution to genetic variance components. https://app.cochat.ai/papers/10.1093/genetics/139.3.1455
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Cheverud, J. M., & Routman, E. J. (1995). Epistasis and its contribution to genetic variance components. Genetics. https://doi.org/10.1093/genetics/139.3.1455

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