Some population genetic consequences of colony formation and extinction: genetic correlations within founding groups
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Extinction and recolonization in an island model affects genetic differentiation among subpopulations through a combination of sampling and mixing. We investigate the balance of these forces in a general model of population founding that predicts first the genetic variance among new groups and then the effect of these new groups on the total genetic variance among all populations. We allow for a broad range of types of mixing at the time of colonization and demonstrate the significant effects on differentiation from the probability of common origin of gametes (φ). We further demonstrate that kin-structured founding and inbreeding within populations can have a significant effect on the genetic variance among groups and use these results to make predictions about lineal fission and fusion of populations. These results show that population structure is critically affected by non-equilibrium dynamics and that the properties of new populations, especially founding number, probability of common origin, and kin structure, are vital in our understanding of genetic variation.
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Nucleotide diversity in northeast Papua New Guinea and all the northern Papua New Guinea Island sub-populations was minimal.
“Additionally, nucleotide diversity in northeast Papua New Guinea and all the northern Papua New Guinea Island sub-populations was minimal, as expected for relatively recently colonized populations [67].”
From Mitogenomic Crocodylia phylogeny and population structure of <i>Crocodylus porosus</i> including the extinct Seychelles crocodile (2026) · cites this paper as [67]
The Genetic Variation Among section (page unavailable) models how founding-group size affects within-population allele identity, providing a conditional rationale for lower diversity after colonization. It does not report nucleotide diversity in northeast Papua New Guinea or the northern island sub-populations, nor establish that their diversity was minimal. (LLM, conf=0.84)
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Research works printed but not linked: 2
- TuRING, A. M. 1952. The chemical basis of mor- phogenesis. PhiIos. Trans. R. Soc. London 237:37- 72.
- WADE, M. J. 1978. A critical review of the models of group selection. Q. Rev. BioI. 53:101-114.
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- Authors
- Whitlock, M. C., & McCauley, D. E.
- Affiliations
- Vanderbilt University (US)
- ORCID
- Whitlock, Michael C.
- Venue
- Evolution
- Publisher
- Oxford University Press (OUP)
- Published
- 1990-11
- Volume
- 44
- Issue
- 7
- Pages
- 1717-1724
- ISSN
- 0014-3820 (ISSN-L)
- 1558-5646
- OpenAlex
- W1966224490
- Cited by
- 459
- References
- 0
- Citations by year
- 2026: 2 · 2025: 3 · 2024: 7 · 2023: 5 · 2022: 9 · 2021: 6 · 2020: 5 · 2019: 5 · 2018: 4 · 2017: 8 · 2016: 15 · 2015: 14 · 2014: 16 · 2013: 12 · 2012: 7
- FWCI
- 3.80
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Evolution (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Science Foundation (BSR‐8620119)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
- Physical Sciences › Mathematics › Mathematical Physics › Stochastic processes and statistical mechanics
- Keywords
- extinction and recolonization, island model, genetic differentiation, genetic variance, kin structure, inbreeding, population structure, nonequilibrium dynamics, founder populations
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