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Fig. 3 | BMC Evolutionary Biology

Fig. 3

From: Genome-wide markers reveal a complex evolutionary history involving divergence and introgression in the Abert’s squirrel (Sciurus aberti) species group

Fig. 3

Principal Components Analysis plots based on genome-wide SNPs. (a) Plot of the first two eigenvectors with all populations included, (b) plot of the first two eigenvectors with S. aberti barberi and S. aberti kaibabensis removed from the analysis, (c) plot of the first and third eigenvectors with S. aberti barberi and S. aberti kaibabensis removed from the analysis, (d) plot of the second and third eigenvectors with S. aberti barberi and S. aberti kaibabensis removed from the analysis

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