Haplogroup K-M9
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Haplogroup K or K-M9 is a genetic lineage within human Y-chromosome DNA haplogroup. A sublineage of haplogroup IJK, K-M9, and its descendant clades represent a geographically widespread and diverse haplogroup. The lineages have long been found among males on every continent except Antarctica.
The direct descendants of Haplogroup K1 (L298 = P326, also known as LT) and K-M9 are Haplogroup K2 (formerly KxLT; K-M526).[1][2]
Origins and distribution
Y-DNA haplogroup K-M9 is an old lineage that arose approximately 47,000-50,000 years ago.[3] Geneticist Spencer Wells had argued that because haplogroup K has a geographically wide distribution, the lineage probably originated near the central part of this range in the Middle East or Central Asia, possibly in Iran or Pakistan.[4][5][6]
Basal K* is exceptionally rare and under-researched; while it has been reported at very low frequencies on many continents it is not always clear if the examples concerned have been screened for subclades.[1][7] Confirmed examples of K-M9* now appear to be most common amongst some populations in Island South East Asia and Melanesia.[8][9][10]
Primary descendants of haplogroup LT are L (M20), also known as K1a, and T (M184), also known as K1b.[1][2]
The descendants of haplogroup K2 include:
- K2a (detected in Paleolithic specimens Oase1 and Ust'-Ishim),[11] the subclades of which include the major haplogroups N and O,[12] and;
- K2b – the ancestor of haplogroups M, P, Q, R, S.[13]
Structure
- Haplogroup K-M9 tree [1][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32]
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References
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External links
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| "Y-chromosomal Adam" | |||||||||||||||||||||||||||||||||||||
| A00 | A0-T [χ 1] | ||||||||||||||||||||||||||||||||||||
| A0 | A1 [χ 2] | ||||||||||||||||||||||||||||||||||||
| A1a | A1b | ||||||||||||||||||||||||||||||||||||
| A1b1 | BT | ||||||||||||||||||||||||||||||||||||
| B | CT | ||||||||||||||||||||||||||||||||||||
| DE | CF | ||||||||||||||||||||||||||||||||||||
| D | E | C | F | ||||||||||||||||||||||||||||||||||
| F1 | F-Y27277 [χ 3] | F3 | GHIJK | ||||||||||||||||||||||||||||||||||
| G | HIJK | ||||||||||||||||||||||||||||||||||||
| IJK | H | ||||||||||||||||||||||||||||||||||||
| IJ | K | ||||||||||||||||||||||||||||||||||||
| I | J | LT [χ 4] | K2 [χ 5] | ||||||||||||||||||||||||||||||||||
| I1 | I2 | J1 | J2 | L | T | K2e | K2d | K2c | K2b [χ 6] | K2a | |||||||||||||||||||||||||||
| K2b1 [χ 7] | P [χ 8] | K-M2313 [χ 9] | |||||||||||||||||||||||||||||||||||
| S [χ 10] | M [χ 11] | P1 | NO1 | ||||||||||||||||||||||||||||||||||
| P1c | P1b | P1a | N | O | |||||||||||||||||||||||||||||||||
| R | Q | ||||||||||||||||||||||||||||||||||||
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