Geography predicts neutral genetic diversity of human populations - PubMed (original) (raw)

Geography predicts neutral genetic diversity of human populations

Franck Prugnolle et al. Curr Biol. 2005.

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Figures

Figure 1

Shortest routes (in purple) through landmasses and specified land bridges between the 51 populations analysed (red dots) and a hypothetical East African origin. Geographic distances have been computed as paths connecting vertices (in blue) on land with a newly developed algorithm based on graph theory (see supplementary material).

Figure 2

Relationship between mean genetic diversity of 51 human populations computed over 377 autosomal microsatellite markers and their geographic distances in km from East Africa. The percentage of variance explained by geographic distance is R 2 = 85% (p < 10−4). The different colours correspond to the different ethnic groups defined by Rosenberg and colleagues [6]. If those ethnic groups are entered as an additional variable in the model, they do not allow explaining a significantly higher proportion of the variance (p = 0.35). There is also no significant difference between the individual regressions computed for each ethnic group separately (slopes p = 0.12 ; intercepts p = 0.27).

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