Distribution
Haplogroup O-MSY2.2 lineages are found primarily in Southeast Asian populations of Malaysia, Vietnam, Indonesia, the Philippines, southern China and Taiwan (ISOGG 2010).
| Population | Percentage | Count | Source | SNPs |
|---|---|---|---|---|
| Admiralty Islands | 18% | - | Kayser 2008 | - |
| Balinese | 18% | - | Karafet 2005 | - |
| Borneo | 29% | - | Hurles 2005 | - |
| Borneo | 15% | - | Kayser 2003 | - |
| Filipinos | 46% | - | Tajima 2004 and Hurles 2005 | - |
| Filipinos | 10% | - | Karafet 2005 | - |
| Han Chinese | 23% | - | Kayser 2003 | - |
| Han Chinese | 15% | - | Tajima 2004 | - |
| Java | 23% | - | Kayser 2003 | - |
| Hlai/Cun | 58% | - | Li 2008 | - |
| Hlai/Cun | 8% | - | Li 2008 | - |
| Malagasy | 17% | - | Hurles 2005 | - |
| Nusa Tenggara | 23% | - | Kayser 2003 | - |
| Sui | 18% | - | Xie 2004 | - |
| Taiwanese aborigines | 90% | - | Karafet 2005 | - |
| Taiwanese aborigines | 69% | - | Underhill 2000 | - |
| Trobriand Islands | 28% | - | Kayser 2003 | - |
| Tujia | 20% | - | Su 1999 | - |
| Tujia | 7% | - | Xie 2004 | - |
| Zhuang | 18% | - | Su 1999 | - |
| Zhuang | 10% | - | Chen 2006 and Hammer 2006 | - |
A 2008 study by Li suggested that the admixture analyses of Tai–Kadai-speaking populations showed a significant genetic influence in a large proportion of Indonesians. Most of the population samples contained a high frequency of haplogroup O-M119 (Hui 2008).
The frequencies of Haplogroup O-MSY2.2 among various East Asian and Austronesian populations suggest a complex genetic history of the modern Han populations of southern China. Although Haplogroup O-MSY2.2 occurs only at an average frequency of approximately 4% among Han populations of northern China and peoples of southwestern China and Southeast Asia who speak Tibeto-Burman languages, the frequency of this haplogroup among the Han populations of southern China nearly quadruples to about 15-23%. The frequency of Haplogroup O-MSY2.2 among the Southern Han has been found to be slightly greater than the arithmetic mean of the frequencies of Haplogroup O-MSY2.2 among the Northern Han and a pooled sample of Austronesian populations. This suggests that modern Southern Han populations may possess a non-trivial number of male ancestors who were originally affiliated with some Austronesian-related culture, or who at least shared a genetic affinity with many of the ancestors of modern Austronesian peoples.
Read more about this topic: Haplogroup O1 (Y-DNA)
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