The Price equation as a bridge between animal breeding and evolutionary biology.

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
P Bijma

Abstract

The genetic response to selection is central to both evolutionary biology and animal and plant breeding. While Price's theorem (PT) is well-known in evolutionary biology, most breeders are unaware of it. Rather than using PT, breeders express response to selection as the product of the intensity of selection (i), the accuracy of selection (ρ) and the additive genetic standard deviation (σA); R = iρσA. In contrast to the univariate 'breeder's equation', this expression holds for multivariate selection on Gaussian traits. Here, I relate R = iρσA to PT, and present a generalized version, R = iwρA,wσA, valid irrespective of the trait distribution. Next, I consider genotype-environment covariance in relation to the breeder's equation and PT, showing that the breeder's equation may remain valid depending on whether the genotype-environment covariance works across generations. Finally, I consider the response to selection in the prevalence of an endemic infectious disease, as an example of an emergent trait. The result shows that disease prevalence has much greater heritable variation than currently believed. The example also illustrates that the indirect genetic effect approach moves elements of response to selection from the second ...Continue Reading

References

Nov 1, 1972·Annals of Human Genetics·G R Price
Apr 1, 1972·Annals of Human Genetics·G R Price
Aug 1, 1970·Nature·G R Price
Oct 1, 1994·Journal of Dairy Science·L N HazelA E Freeman
Jan 24, 2008·Proceedings. Biological Sciences·Jarrod D Hadfield
Feb 1, 1998·Trends in Ecology & Evolution·J B WolfM J Wade
Jun 28, 2012·Frontiers in Genetics·Stephen C BishopJohn A Woolliams
Nov 1, 1983·Evolution; International Journal of Organic Evolution·Russell Lande, Stevan J Arnold
Oct 1, 1997·Evolution; International Journal of Organic Evolution·Allen J MooreJason B Wolf

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Citations

Mar 10, 2020·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Jussi LehtonenHeikki Helanterä
Mar 10, 2020·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·G K HajdukL E B Kruuk
Nov 29, 2020·American Journal of Human Biology : the Official Journal of the Human Biology Council·James Holland JonesAnne C Pisor
Jun 10, 2021·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·Pranav Shrikant KulkarniPiter Bijma

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