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- Isolation_by_distance abstract "Isolation by distance (IBD) is a term used to refer to the accrual of local genetic variation under geographically limited dispersal The IBD model is useful for determining the distribution of gene frequencies over a geographic region. Both dispersal variance and migration probabilities are variables in this model and both contribute to local genetic differentiation Isolation by distance is usually the simplest model for the cause of genetic isolation between populations. Evolutionary biologists and population geneticists have been exploring varying theories and models for explaining population structure. Ishida compares two important theories of isolation by distance and clarifies the relationship between the two. According to Ishida, Sewall Wright’s isolation by distance theory is termed ecological isolation by distance while Gustave Malécot’s theory is called genetic isolation by distance. Isolation by distance is distantly related to speciation. Multiple types of isolating barriers, namely prezygotic isolating barriers which includes isolation by distance, are considered to be the key factor in keeping populations apart limiting gene flow. Postzygotic reproductive isolation can be initiated by heritable epigenetic variations and can lead to hybrid sterility and failure of hybrid offspring to develop normally thus restricting gene flow. Individually or combined, both isolation events and restriction of gene flow can lead to speciation events. A brief overview of both pre-zygotic and post-zygotic reproductive isolating barriers is included at the end of this article.".
- Isolation_by_distance wikiPageExternalLink genepop.curtin.edu.au.
- Isolation_by_distance wikiPageExternalLink ~ibdws.
- Isolation_by_distance wikiPageExternalLink index.html.
- Isolation_by_distance wikiPageExternalLink www.marksgeneticsoftware.net.
- Isolation_by_distance wikiPageID "24629030".
- Isolation_by_distance wikiPageLength "15838".
- Isolation_by_distance wikiPageOutDegree "8".
- Isolation_by_distance wikiPageRevisionID "663244830".
- Isolation_by_distance wikiPageWikiLink Biological_dispersal.
- Isolation_by_distance wikiPageWikiLink Category:Population_genetics.
- Isolation_by_distance wikiPageWikiLink Coefficient_of_relationship.
- Isolation_by_distance wikiPageWikiLink Evolutionary_biology.
- Isolation_by_distance wikiPageWikiLink Gene_flow.
- Isolation_by_distance wikiPageWikiLink Genetic_isolate.
- Isolation_by_distance wikiPageWikiLink Genetic_isolation.
- Isolation_by_distance wikiPageWikiLink Population_genetics.
- Isolation_by_distance wikiPageWikiLink Speciation.
- Isolation_by_distance wikiPageWikiLinkText "Isolation by distance".
- Isolation_by_distance wikiPageWikiLinkText "isolation by distance".
- Isolation_by_distance hasPhotoCollection Isolation_by_distance.
- Isolation_by_distance subject Category:Population_genetics.
- Isolation_by_distance hypernym Term.
- Isolation_by_distance type Subfield.
- Isolation_by_distance comment "Isolation by distance (IBD) is a term used to refer to the accrual of local genetic variation under geographically limited dispersal The IBD model is useful for determining the distribution of gene frequencies over a geographic region. Both dispersal variance and migration probabilities are variables in this model and both contribute to local genetic differentiation Isolation by distance is usually the simplest model for the cause of genetic isolation between populations.".
- Isolation_by_distance label "Isolation by distance".
- Isolation_by_distance sameAs m.080jdzf.
- Isolation_by_distance sameAs Q16947412.
- Isolation_by_distance sameAs Q16947412.
- Isolation_by_distance wasDerivedFrom Isolation_by_distance?oldid=663244830.
- Isolation_by_distance isPrimaryTopicOf Isolation_by_distance.