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| Tajima's D (选择扫描)× | 溯祖理论× | |
|---|---|---|
| 领域 | 遗传学 | 遗传学 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1989 | 1982 |
| 提出者≠ | Fumio Tajima | John Kingman |
| 类型≠ | Neutrality test | Stochastic process model |
| 开创性文献≠ | Tajima, F. (1989). Statistical method for testing the neutral mutation hypothesis by DNA polymorphism. Genetics, 123(3), 585–595. DOI ↗ | Kingman, J. F. C. (1982). The coalescent. Stochastic Processes and their Applications, 13(3), 235–248. DOI ↗ |
| 别名≠ | Tajima's D test, Selective sweep analysis, Neutrality test | Kingman Coalescent, n-coalescent |
| 相关 | 4 | 4 |
| 摘要≠ | 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. | 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. |
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