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Koalescenčná teória×Analýza prímesí×Rekonštrukcia ancestrálnych stavov×Selection Sweep (Tajima's D)×
OdborGenetikaGenetikaGenetikaGenetika
RodinaProcess / pipelineProcess / pipelineProcess / pipelineProcess / pipeline
Rok vzniku1982200919911989
TvorcaJohn KingmanDavid Alexander & Jonathan NovembreWayne MaddisonFumio Tajima
TypStochastic process modelClustering and inference methodInference methodNeutrality test
Pôvodný zdrojKingman, J. F. C. (1982). The coalescent. Stochastic Processes and their Applications, 13(3), 235–248. DOI ↗Alexander, D. H., Novembre, J., & Lange, K. (2009). Fast model-based estimation of ancestry in unrelated individuals. Genome Research, 19(9), 1655–1664. DOI ↗Maddison, W. P. (1991). Squared-change parsimony reconstructions of ancestral states for continuous-valued characters on a phylogenetic tree. Systematic Zoology, 40(3), 308–314. DOI ↗Tajima, F. (1989). Statistical method for testing the neutral mutation hypothesis by DNA polymorphism. Genetics, 123(3), 585–595. DOI ↗
Ďalšie názvyKingman Coalescent, n-coalescentPopulation structure inference, Ancestry analysis, ADMIXTUREASR, Ancestral character reconstruction, Trait reconstructionTajima's D test, Selective sweep analysis, Neutrality test
Príbuzné4434
ZhrnutieCoalescent theory is a probabilistic framework that traces the genealogical history of DNA sequences backward in time to their most recent common ancestor. Developed by John Kingman in 1982, this method forms the foundation of modern population genetics, enabling researchers to understand demographic events, estimate genetic parameters, and reconstruct evolutionary histories from modern genetic data.Admixture analysis is a population genetics method that infers population structure and individual ancestry from multilocus genotype data. Originally developed by Pritchard, Stephens, and Donnelly (2000) and refined by Alexander, Novembre, and Lange (2009), admixture analysis reveals how genetic variation is distributed among populations and estimates the ancestry fractions of admixed individuals. This technique is essential for understanding human evolutionary history, detecting population stratification in genetic studies, and inferring individual ancestry.Ancestral state reconstruction (ASR) is a phylogenetic method that infers the character states (trait values or evolutionary features) of extinct ancestors by analyzing patterns of variation in extant (living) species. Developed by Wayne Maddison and colleagues in the 1990s, ASR uses the phylogenetic tree and observed trait variation in living species to estimate what ancestors possessed, enabling researchers to trace the evolutionary history of morphological, behavioral, ecological, and genomic traits.Tajima's D is a statistical test designed to detect selective sweeps—recent, rapid fixation of advantageous mutations—from patterns of genetic variation in DNA sequences. Developed by Fumio Tajima in 1989, this test measures deviations from neutrality by comparing different measures of DNA sequence diversity. A significant Tajima's D value indicates departure from neutral evolution, suggesting positive selection, population structure, or demographic events.
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ScholarGatePorovnať metódy: Coalescent Theory · Admixture Analysis · Ancestral State Reconstruction · Selection Sweep (Tajima's D). Získané 2026-06-20 z https://scholargate.app/sk/compare