Haplogroup K-M9

Haplogroup K
Possible place of origin	South Asia or West Asia
Ancestor	IJK
Descendants	haplogroup K2, and LT
Defining mutations	M9, P128/PF5504, P131/PF5493, P132/PF5480

Haplogroup K or K-M9 is a 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.

The direct descendants of K-M9 are Haplogroup K2 (formerly KxLT; K-M526) and Haplogroup LT (L298 = P326).

Y-DNA haplogroup K-M9 is an old lineage that arose approximately 47,000 years ago, probably in South Asia or West Asia.

The basal paragroup K* is exceptionally rare, although it has been reported at low frequencies in various parts of Eurasia, Oceania and Africa.

The descendants of haplogroup K2 include:

The structure of K2a demonstrates relatively rapid divergence, with its emergence being followed by a series of branchings with only one known subclade (and no "siblings"). That is, K2a1 is the only primary subclade of K2a, and K2a1 has one known primary branch, in NO. Likewise, NO1 is the only known primary branch of NO. (Haplogroup NO1 is the "parent" of the major haplogroups N and O.)

LT (L298; a.k.a. K1). Widely distributed at low concentrations. Haplogroup L is found at its highest frequency in India, Pakistan and among the Balochs of Afghanistan. T is most common among: Fulanis, Toubou, Tuareg, Somalis, Egyptians, some Middle East, the Aegean Islands and among Kurru, Bauris and Lodha in India.

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