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Y-chromosome phylogeny inferred from 13 ∼10-Mb sequences of hg R individuals. Branches are drawn proportional to the number of derived variants. Each of the 24 branches is labeled by an index, and the number of SNPs assigned to the branch is shown in brackets. The tips of the tree are labeled with sequencing coverage, population, ID, and the most derived commonly known SNP observed in the corresponding sample.
