Y-DNA Haplogroup K and its Subclades - 2014
The entire work is identified by the Version Number and date given on the
Main Page. Directions for citing the document are given at
the bottom of the Main
Version History Last
revision date for this specific page: 1 January 2014
Because of continuing research, the structure of the Y-DNA Haplogroup Tree changes and ISOGG
does its best to keep the tree updated with the latest developments
in the field. The viewer may observe other versions of the tree on the Web. Email
Alice Fairhurst if the differences need
clarification or if you find any broken links on this page.
Contact Person for Haplogroup K:
K M9, P128/PF5504,
Private SNPs are being removed from the tree and placed in the following category:
K1 P60, P304, P308
K2 P79, P299, P307
K3 P261, P263
Private SNPs - After having been investigated, these SNPs have not met the population distribution
criteria for placement on the tree. Either too few confirmed positive testers have been found OR multiple
confirmed testers were confined to either a single surname or to a small group of related males.
- M147 is downstream of M256. Listed 6 August 2012.
- Identical SNPs that were discovered separately are listed in alphabetical order, not necessarily in
the order of discovery, and separated by "/". Examples: M74/N12, M184/USP9Y+3178.
- The Karafet et al (2008) paper made a major change to Haplogroup K. The subgroups formerly
known as K1 and K7 was moved to M2 and M3, respectively, and K2 and K5 became Haplogroups S and T, respectively.
- The 50f2(C) deletion in the AZFc region of the human Y chromosome has been observed in several
different haplogroups and is not a unique event polymorphism. It is notable, however, that it
has been detected at relatively high levels in subgroups of K in Melanesia - K* (21%), and K3 (14%).
Y-DNA haplogroup K is an old lineage established approximately 40,000
thousand years ago whose origins were probably in southwestern
Asia. At present this group contains two distinct
classes of subgroups: (1) major groups L to T
(refer to the main tree at Y-DNA Haplogroup Tree)
and (2) minor groups K* and K1 to K4 which do not have any of the SNPs defining
the major groups. These groups are found at low frequencies in various parts
of Africa, Eurasia, Australia and the South Pacific.
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Corrections/Additions made since 1 January 2014: