เปรียบเทียบวิธี
ดูวิธีที่เลือกเทียบกันแบบเคียงข้าง แถวที่ต่างกันจะถูกเน้นไว้
| การทดสอบการกวาดล้างโดยการคัดเลือก (Tajima's D)× | ทฤษฎีการรวมตัว (Coalescent Theory)× | การทดสอบ HKA× | |
|---|---|---|---|
| สาขาวิชา | พันธุศาสตร์ | พันธุศาสตร์ | พันธุศาสตร์ |
| ตระกูล | Process / pipeline | Process / pipeline | Process / pipeline |
| ปีกำเนิด≠ | 1989 | 1982 | 1987 |
| ผู้ริเริ่ม≠ | Fumio Tajima | John Kingman | Richard Hudson, Martin Kreitman & Montserrat Aguade |
| ประเภท≠ | Neutrality test | Stochastic process model | Statistical test |
| แหล่งต้นตำรับ≠ | 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 ↗ | Hudson, R. R., Kreitman, M., & Aguadé, M. (1987). A test of neutral molecular evolution based on nucleotide data. Genetics, 116(1), 153–159. DOI ↗ |
| ชื่อเรียกอื่น≠ | Tajima's D test, Selective sweep analysis, Neutrality test | Kingman Coalescent, n-coalescent | HKA test, Polymorphism divergence test |
| ที่เกี่ยวข้อง | 4 | 4 | 4 |
| สรุป≠ | 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. | The Hudson-Kreitman-Aguade (HKA) test is a statistical method that tests for neutral evolution by comparing levels of within-population polymorphism and between-population divergence at multiple loci. Developed by Hudson, Kreitman, and Aguade in 1987, this test uses the principle that neutral loci should show expected relationships between polymorphism and divergence. Loci deviating from these relationships are candidates for selection. The HKA test is particularly useful for detecting selection in genome-wide surveys because it uses relative comparisons across loci rather than requiring external calibration. |
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