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Detecting a Local Signature of Genetic Hitchhiking Along a Recombining Chromosome

Kim, Yuseob, Stephan, Wolfgang·2002·Genetics

Abstract

The theory of genetic hitchhiking predicts that the level of genetic variation is greatly reduced at the site of strong directional selection and increases as the recombinational distance from the site of selection increases. This characteristic pattern can be used to detect recent directional selection on the basis of DNA polymorphism data. However, the large variance of nucleotide diversity in samples of moderate size imposes difficulties in detecting such patterns. We investigated the patterns of genetic variation along a recombining chromosome by constructing ancestral recombination graphs that are modified to incorporate the effect of genetic hitchhiking. A statistical method is proposed to test the significance of a local reduction of variation and a skew of the frequency spectrum caused by a hitchhiking event. This method also allows us to estimate the strength and the location of directional selection from DNA sequence data.

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Metadata

Authors
Kim, Y., & Stephan, W.
Venue
Genetics
Published
2002-02-01
Volume
160
Issue
2
Pages
765-777
ISSN
  • 0016-6731 (ISSN-L)
  • 1943-2631
OpenAlex
W2109183238
Cited by
631
References
31
FWCI
12.67
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Detecting a Local Signature of Genetic Hitchhiking Along a Recombining Chromosome. https://app.cochat.ai/papers/10.1093/genetics/160.2.765
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Kim, Y., & Stephan, W. (2002). Detecting a Local Signature of Genetic Hitchhiking Along a Recombining Chromosome. Genetics. https://doi.org/10.1093/genetics/160.2.765

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