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Viability Selection at Linked Sites
Version 1
: Received: 13 December 2022 / Approved: 15 December 2022 / Online: 15 December 2022 (03:14:33 CET)
A peer-reviewed article of this Preprint also exists.
Eldon, B. Viability Selection at Linked Sites. Mathematics 2023, 11, 569. Eldon, B. Viability Selection at Linked Sites. Mathematics 2023, 11, 569.
Abstract
Evolutionary ecology may be described as explaining ecology through evolution and vice versa, but one may also view it as an integration of the two fields, where one takes the view that ecology and evolution are inseparable, and one can only begin to understand the biology of organisms by synthesizing the two fields. An example of such a synthesis is the biology of high fecundity and the associated concept of sweepstakes reproduction, or skewed individual recruitment success. As an illustration we consider selection at linked sites under various dominance and epistasis mechanisms in a diploid population evolving according to random sweepstakes and experiencing recurrent bottlenecks. Using simulations we give a few examples of the impact of the stated elements on selection. We show that depending on the dominance mechanisms random sweepstakes can shorten the time to fixation (conditional on fixation) of the fit type at all sites. Bottlenecks tend to increase the fixation time, with random sweepstakes counteracting the effects of bottlenecks on the fixation time. Understanding the effect of random sweepstakes, recurrent bottlenecks, dominance mechanisms and epistasis on the fate of selectively advantageous mutations may help with explaining genetic diversity in natural highly fecund populations possibly evolving under sweepstakes reproduction.
Keywords
high fecundity; random sweepstakes; natural selection; fixation; bottleneck; evolution; ecology; recruitment dynamics; epistasis
Subject
Biology and Life Sciences, Animal Science, Veterinary Science and Zoology
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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