Spread of Y Chromosome Haplogroup R1b1b2 in Europe
Author Information
Author(s): Per Sjödin, François Olivier
Primary Institution: Uppsala University, Sweden
Hypothesis
Whether the spread of agriculture in Europe was accompanied by movements of people.
Conclusion
The study suggests that a Paleolithic origin for European paternal lineages is unlikely and that the spread of agriculture in Europe critically depends on mutation rate assumptions.
Supporting Evidence
- The study used nine microsatellite markers from 840 European Y-chromosomes.
- Fourteen distinct wave-of-advance models were fitted to the microsatellite allelic richness.
- Models based on the evolutionary mutation rate provided a better fit to the data than those using germline mutation rates.
Takeaway
Scientists studied how a specific Y chromosome type spread in Europe and found that the way we think about its spread depends a lot on how we measure changes in DNA.
Methodology
The study used 14 wave-of-advance models to analyze microsatellite diversity from 840 Y-chromosomes.
Potential Biases
Potential biases in mutation rate assumptions could affect the conclusions drawn from the data.
Limitations
The models are simplifications and may not fully capture the complexities of human demographic expansions.
Participant Demographics
The study included samples from various European populations, including France, Spain, the British Isles, Turkey, Germany, Italy, Denmark, and the Netherlands.
Statistical Information
P-Value
p<10−15
Statistical Significance
p<10−6
Digital Object Identifier (DOI)
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