Cited by 107Chromosomal and Genetic VariationsEvolution and Genetic DynamicsGenetic Mapping and Diversity in Plants and Animals

The evolution of recombination under domestication: A test of two hypotheses

Ross‐Ibarra, Jeffrey·2004·The American Naturalist

Abstract

The successful domestication of wild plants has been one of the most important human accomplishments of the last 10,000 yr. Though our empirical knowledge of the genetic mechanisms of plant domestication is still relatively limited, there exists a large body of theory that offers a host of hypotheses on the genetics of domestication. Two of these that have not been addressed concern the role of recombination in the process of domestication. The first predicts an increase in recombination rate through domestication, while the second argues that recombination rate should serve as a preadaptation to domestication. This study makes use of data on chiasma frequencies available from almost a century of plant cytogenetical literature to test these two hypotheses. The results support the hypothesis that domestication selects for an increase in recombination, and in rejecting the preadaptation hypothesis, they suggest directions for future research into the possibility of preadaptation to domestication.

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Crossref · 10.1086/380606

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Authors
Ross‐Ibarra, J.
Affiliations
University of Georgia (US)
Corresponding author
Ross‐Ibarra, Jeffrey
Venue
The American Naturalist
Published
2004-01
Volume
163
Issue
1
Pages
105-112
ISSN
  • 0003-0147 (ISSN-L)
  • 1537-5323
OpenAlex
W2002219869
Cited by
107
References
30
Citations by year
2026: 5 · 2025: 3 · 2024: 8 · 2023: 4 · 2022: 4 · 2021: 8 · 2020: 6 · 2019: 4 · 2018: 7 · 2017: 7 · 2016: 5 · 2015: 4 · 2014: 6 · 2013: 6 · 2012: 2
FWCI
4.69
Type
journal article
Language
en
Open access
closed
Locations
  • The American Naturalist (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Chromosomal and Genetic Variations
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Mapping and Diversity in Plants and Animals
Keywords
plant domestication, recombination rate, chiasma frequency, preadaptation, cytogenetics, wild plants
MeSH terms
Biological Evolution, Plants, Recombination, Genetic, Regression Analysis, Chromosomes, Plant

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