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| Koalescensteori× | Selection Sweep (Tajima's D)× | |
|---|---|---|
| Fagområde | Genetik | Genetik |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1982 | 1989 |
| Ophavsperson≠ | John Kingman | Fumio Tajima |
| Type≠ | Stochastic process model | Neutrality test |
| Oprindelig kilde≠ | Kingman, J. F. C. (1982). The coalescent. Stochastic Processes and their Applications, 13(3), 235–248. DOI ↗ | Tajima, F. (1989). Statistical method for testing the neutral mutation hypothesis by DNA polymorphism. Genetics, 123(3), 585–595. DOI ↗ |
| Aliasser≠ | Kingman Coalescent, n-coalescent | Tajima's D test, Selective sweep analysis, Neutrality test |
| Relaterede | 4 | 4 |
| Resumé≠ | Coalescent 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. | 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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