Genetic structure of the Mon-Khmer speaking groups and their affinity to the neighbouring Tai populations in Northern Thailand
2011

Genetic Study of Mon-Khmer and Tai Populations in Northern Thailand

Sample size: 842 publication 10 minutes Evidence: moderate

Author Information

Author(s): Kutanan Wibhu, Kampuansai Jatupol, Fuselli Silvia, Nakbunlung Supaporn, Seielstad Mark, Bertorelle Giorgio, Kangwanpong Daoroong

Primary Institution: Department of Biology, Faculty of Science, Chiang Mai University, Thailand

Hypothesis

What is the genetic divergence between Mon-Khmer and Tai speaking populations in Northern Thailand?

Conclusion

Mon-Khmer populations show significant genetic divergence from each other and from Tai populations, influenced by historical and cultural factors.

Supporting Evidence

  • The study found that 97% of Y-chromosome haplotypes were private to single populations.
  • Genetic divergence was higher in Mon-Khmer populations compared to Tai populations.
  • Cultural practices such as post-marital residence patterns influenced genetic variation.

Takeaway

This study looks at the DNA of different groups in Northern Thailand to see how closely related they are, and it finds that the Mon-Khmer groups are quite different from each other and from the Tai groups.

Methodology

The study analyzed mitochondrial and Y-chromosomal DNA from 842 individuals across 18 villages.

Potential Biases

Potential bias in sample selection and historical migration patterns may affect results.

Limitations

The study may not capture all genetic diversity due to the limited number of markers and populations analyzed.

Participant Demographics

Participants included 416 males and 426 females from various Mon-Khmer and Tai speaking populations.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/1471-2156-12-56

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