Large-scale lexical and genetic alignment supports a hybrid model of Han Chinese demic and cultural diffusions
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View abstract on PubMed
Summary
This summary is machine-generated.Investigating Han Chinese history reveals a hybrid model of demic and cultural diffusion. Genetic and linguistic analyses show demic diffusion in central China and cultural diffusion in southwestern regions.
Area Of Science
- Population Genetics
- Historical Linguistics
- Bioinformatics
Background
- Han Chinese history is influenced by demographic and cultural factors.
- Assessing demic (gene flow) and cultural diffusion's impact on Han language and culture is challenging due to limited genetic-linguistic congruence studies.
Purpose Of The Study
- To investigate the interplay of demic and cultural diffusion in shaping Han Chinese language and genetic makeup.
- To quantify genetic-linguistic congruence across Han Chinese populations.
Main Methods
- Digitized a large linguistic inventory (1,018 lexical traits, 926 dialect varieties).
- Employed phylogenetic analysis and admixture inference on linguistic data.
- Integrated genetic data from 30,408 Han Chinese individuals across 26 provinces.
Main Results
- Revealed a north-south gradient in lexical differences, suggesting historical migrations.
- Quantified significant horizontal language transfers, identifying central China as a dialectal hub.
- Demonstrated a hybrid model: demic diffusion in central China, cultural diffusion in the southwest, and language assimilation in coastal areas.
Conclusions
- Han Chinese population history is a complex interplay of genetic and cultural exchange.
- Demic diffusion played a key role in central China's genetic landscape.
- Cultural diffusion and language assimilation significantly shaped other Han Chinese regions.
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