Haplogroup Q-M25 | |
---|---|
Possible time of origin | 24,300 [95% CI 22,100 <-> 26,700] years before present (YFull v6.02 [1] ) |
Coalescence age | 16,400 [95% CI 14,900 <-> 18,000] years before present (YFull v6.02 [1] ) |
Possible place of origin | Central Asia |
Ancestor | Q-F1096(F1215) |
Defining mutations | M25 |
Haplogroup Q-M25, also known as Q1a1b is a subclade or branch of human Y-DNA haplogroup Q-F1096 (Q1a1), which is, in turn, a subclade of Q-MEH2 (Q1a). In human genetics, each Y-DNA haplogroup constitutes a biological paternal lineages back to a shared common male ancestor.
Q-M25 has descendants in modern populations across all of Eurasia. Only one detailed study on the Y-DNA on Turkmens from Turkmenistan has taken place. [2] Haplogroup Q is found in minority Turkmen tribes living in Afghanistan at percentages of about 32%, [3] and another study found that 42.6% of Iranian Turkmens have haplogroup Q-M25 (also known as Q1a1b). [4]
Q-M25 has not been detected in pre-Columbian populations in the Americas.
Q-M25 has been detected in the Northeast of East Asia, in South Asia, and across Central Asia. [5] [6] [7] Though present at low frequencies, it may be one of the more widely distributed branches of Q-M242 in Asia.
Population | Sampling Location | Paper | N | Percentage | SNP Tested |
---|---|---|---|---|---|
Turkmen | Golestan, Iran | Grugni 2012 [4] | 29/68 | ~42.6% | M25 & M143 |
Turkmen | Jawzjan, Afghanistan | Di Cristofaro 2013 [3] | 23/74 | ~31.1% | M25 & M346/ (cf)Q1a3(currently Q1a2)=2/74 (Q total=33.8%) |
Mixed | Central Asia & Siberia | Underhill 2000 [6] | 6/184 | ~3.26% | M25 & M143 |
Kalmyk | Malyarchuk 2011 [5] | 1/60 | ~1.70% | M25 | |
Han | Shanxi | Zhong 2010 [7] | 1/56 | ~1.79% | M25 |
Uyghur | Xinjiang | Zhong 2010 [7] | 1/71 | ~1.41% | M25 |
Uyghur | Xinjiang | Zhong 2010 [7] | 1/50 | ~2.00% | M25 |
Uzbek | Jawzjan, Afghanistan | Di Cristofaro 2013 [3] | 1/94 | ~1.06% | M25 |
Mongol | Mongolia | Di Cristofaro 2013 [3] | 1/160 | ~0.63% | M25 |
The frequency of Q-M25 varies greatly across West Asia. An extreme peak is seen in the Turkmen of Golestan. [4] Across the whole of Iran it varies from over 9 percent of the population in the north to only 2 to 3 percent of the population in the south. [8] The frequency of Q-M25 drops to only about 1 percent of the population of Lebanon's Muslims, and it is absent from the non-Muslim population there. [9] However, its presence in the Marsh Arabs(related to Sumer) of Iraq hints that Q-M25's West Asian history extends beyond a single localized recent founder. [10]
Population | Sampling Location | Paper | N | Percentage | SNP Tested |
---|---|---|---|---|---|
Marsh Arabs | Al-Zahery 2011 [10] | 1/143 | ~0.70% | M25/ (cf)Q1b-M378=2.1% | |
Iraqis | Al-Zahery 2011 [10] | 0/154 | ~0.00% | M25/ (cf)Q1b-M378=1.9% | |
Iranians | Iran (North) | Regueiro 2006 [8] | 3/33 | ~9.09% | M25 |
Iranians | Mazandaran | Di Cristofaro 2013 [3] | 1/13 | ~7.69% | M25 |
Iranians | Iran (South) | Regueiro 2006 [8] | 3/117 | ~2.56% | M25 |
Iranians | Esfahan | Di Cristofaro 2013 [3] | 1/42 | ~2.38% | M25 |
Azeris | Iran (Azeri) | Grugni 2012 [4] | 1/63 | ~1.60% | M25 |
Turkmens | Golestan | Grugni 2012 [4] | 29/68 | ~42.6% | M25 |
Lebanese (Non-Muslim) | Lebanon | Zalloua 2008 [9] | 0/482 | ~0.00% | M25 |
Lebanese (Muslim) | Lebanon | Zalloua 2008 [9] | 4/432 | ~0.93% | M25 |
Q-M25 is present across modern Turkey [11] and in Eastern Europe.
Population | Paper | N | Percentage | SNP Tested | |
---|---|---|---|---|---|
East Anatolia | Cinnioglu 2004 [11] | 1/82 | ~1.20% | M25 |
Haplogroup Q-M25 is defined by the presence of the M25 Single Nucleotide Polymorphism (SNP) as well as the M143, L714, and L716 SNPs.
This is Thomas Krahn at the Genomic Research Center's Draft tree Proposed Tree for haplogroup Q-M25.
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