ArticleJournal of mathematical biology2020
On the heterozygosity of an admixed population.
Article in Journal of mathematical biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 35 citations in OpenAlex.
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- Genetic Conservation and Population Management of Non-Human Primates: Parentage Determination Using Seven Microsatellite-Based Multiplexes.Ecology and evolution · 2025Article
- Detecting hybridization in Chilean species of the genus Baccharis L.Plant biology (Stuttgart, Germany) · 2025Article
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- Unraveling the genomic landscape ofEcology and evolution · 2024Article
- Hybridization of Atlantic puffins in the Arctic coincides with 20th-century climate change.Science advances · 2023Article
- Genomic evidence for homoploid hybrid speciation in a marine mammal apex predator.Science advances · 2023Article
- The impact of modern admixture on archaic human ancestry in human populations.bioRxiv : the preprint server for biology · 2023Article
- Population genomics provides insights into the genetic diversity and adaptation of the Pieris rapae in China.PloS one · 2023Article
- Human genetic admixture through the lens of population genomics.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Review
- A geometric relationship ofPhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2022Article
- A century of genetic homogenization in Baltic salmon-evidence from archival DNA.Proceedings. Biological sciences · 2021Article
- An Overview of Strategies for Detecting Genotype-Phenotype Associations Across Ancestrally Diverse Populations.Frontiers in genetics · 2021Review
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3 authors at 3 institutions in 1 country.
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Abstract
In this study, we consider admixed populations through their expected heterozygosity, a measure of genetic diversity. A population is termed admixed if its members possess recent ancestry from two or more separate sources. As a result of the fusion of source populations with different genetic variants, admixed populations can exhibit high levels of genetic diversity, reflecting contributions of their multiple ancestral groups. For a model of an admixed population derived from K source populations, we obtain a relationship between its heterozygosity and its proportions of admixture from the various source populations. We show that the heterozygosity of the admixed population is at least as great as that of the least heterozygous source population, and that it potentially exceeds the heterozygosities of all of the source populations. The admixture proportions that maximize the heterozygosity possible for an admixed population formed from a specified set of source populations are also obtained under specific conditions. We examine the special case of [Formula: see text] source populations in detail, characterizing the maximal admixture in terms of the heterozygosities of the two source populations and the value of [Formula: see text] between them. In this case, the heterozygosity of the admixed population exceeds the maximal heterozygosity of the source groups if the divergence between them, measured by [Formula: see text], is large enough, namely above a certain bound that is a function of the heterozygosities of the source groups. We present applications to simulated data as well as to data from human admixture scenarios, providing results useful for interpreting the properties of genetic variability in admixed populations.
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