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While Mendel’s Law of Segregation states that the two alleles for one gene are separated into different gametes, a different question of how different genes are inherited remains. For example, is the gene for tall plants inherited with the gene for green peas? Mendel asked this question by experimenting with a dihybrid cross; a cross in which both parents are homozygous for two distinct traits resulting in an F1 generation that are heterozygous for both traits.
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About millets and beans, words and genes.

Martine Robbeets1, Chuan-Chao Wang2

  • 1Eurasia3angle Research group, Max Planck Institute for the Science of Human History, Jena, Germany.

Evolutionary Human Sciences
|August 17, 2023
PubMed
Summary

This study explores the origins of Transeurasian languages (Japonic, Koreanic, Tungusic, Mongolic, Turkic) using linguistics, archaeology, and genetics. Findings suggest millet agriculture played a key role in their early dispersal across Eurasia.

Keywords:
NeolithicTranseurasianarchaeologygeneticslinguisticsmillet agriculturetriangulation

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Area of Science:

  • Historical Linguistics
  • Archaeogenetics
  • Prehistoric Archaeology

Background:

  • The Transeurasian language family, encompassing Japonic, Koreanic, Tungusic, Mongolic, and Turkic, has a debated origin and dispersal history.
  • Understanding the drivers of language spread is crucial for reconstructing human history and cultural interactions.

Purpose of the Study:

  • To investigate the origin and dispersal of Transeurasian languages through an interdisciplinary approach.
  • To synthesize linguistic, archaeological, and genetic evidence to test hypotheses about language spread.
  • To determine the role of agriculture, specifically millet cultivation, in the early dissemination of Transeurasian languages.

Main Methods:

  • Triangulation of linguistic, archaeological, and genetic data.
  • Comparative historical linguistics to reconstruct proto-languages.
  • Analysis of ancient DNA to trace population movements.
  • Radiocarbon dating and artifact analysis to establish timelines.

Main Results:

  • Evidence suggests a correlation between the spread of millet agriculture and the expansion of Transeurasian languages.
  • Genetic data indicates population movements aligning with linguistic and archaeological findings.
  • Linguistic reconstructions support a common origin for the Transeurasian languages.

Conclusions:

  • The early spread of Transeurasian languages was likely influenced by the adoption and diffusion of agricultural practices, particularly millet cultivation.
  • An interdisciplinary approach, or 'triangulation', provides robust insights into complex historical processes.
  • Further research can refine the understanding of specific migration routes and cultural exchanges.