Cited by 166Genetic and Clinical Aspects of Sex Determination and Chromosomal AbnormalitiesEvolution and Genetic DynamicsGenetic diversity and population structure

The DOI matches its Crossref record; 61 of the 61 references it cites were found in a registry or an index.

The different levels of genetic diversity in sex chromosomes and autosomes

Ellegren, Hans·2009·Trends in Genetics

Abstract

Sex chromosomes and autosomes differ in their effective population size, mutation and demography, all of which affect the relative level of genetic diversity within the genome. Moreover, natural selection acts differentially on the two chromosomal categories, for example, because recessive mutations are directly exposed to selection on the single X chromosome of males. Recent genome analyses reveal a heterogeneous picture of the sex-chromosome-to-autosome diversity ratio in different organisms. Reduced X chromosome diversity has been interpreted to reflect demographic features such as bottlenecks and male-biased dispersal, whereas more equal diversity in sex chromosomes and autosomes has been explained by polygynous mating systems.

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Crossref · 10.1016/j.tig.2009.04.005

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Metadata

Authors
Ellegren, H.
Affiliations
Uppsala University (SE)
Corresponding author
Ellegren, Hans
Venue
Trends in Genetics
Publisher
Elsevier BV
Published
2009-06
Volume
25
Issue
6
Pages
278-284
ISSN
0168-9525 (ISSN-L)
OpenAlex
W1969937490
Cited by
154
References
60
Citations by year
2026: 13 · 2025: 6 · 2024: 8 · 2023: 7 · 2022: 5 · 2021: 25 · 2020: 5 · 2019: 3 · 2018: 7 · 2017: 3 · 2016: 5 · 2015: 9 · 2014: 17 · 2013: 11 · 2012: 14
FWCI
0.82
Type
journal article
Language
en
Open access
closed
Locations
  • Trends in Genetics (publishedVersion)
  • PubMed (publishedVersion)
Funders
Vetenskapsrådet
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic diversity and population structure
Keywords
sex chromosomes, autosomes, genetic diversity, effective population size, mutation rate, natural selection, X chromosome, recessive mutations, population bottleneck, male-biased dispersal, polygyny, mating systems
MeSH terms
Female, Humans, Male, Selection, Genetic, Sex Chromosomes, Genetic Variation

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