Additional Supporting Information may be found in the online version of this article.

AJPA_22212_sm_SuppFig1.tif1224KSupporting Information Figure 1. Contour map of nucleotide diversity in the studied populations.
AJPA_22212_sm_SuppFig2.tif743KSupporting Information Figure 2. Mclust BIC values as a function of the number of inferred clusters (components) for ten different models (EII: spherical, equal volume; VII: spherical, unequal volume; EEI: diagonal, equal volume and shape; VEI: diagonal, varying volume, equal shape; EVI: diagonal, equal volume, varying shape; VVI: diagonal, varying volume and shape; EEE: ellipsoidal, equal volume, shape, and orientation; EEV: ellipsoidal, equal volume and equal shape; VEV: ellipsoidal, equal shape; VVV: ellipsoidal, varying volume, shape, and orientation).
AJPA_22212_sm_SuppFig3.tif291KSupporting Information Figure 3. Nucleotide diversity simulated distributions and observed values (red asterisks) in four populations/clusters (A, B1, B2, C) according to the best-fitting scenario (d, Tab. 3).
AJPA_22212_sm_SuppFig4.tif730KSupporting Information Figure 4. Distributions of haplotype diversity (Hap. Div.), nucleotide diversity (Nuc. Div.), Tajima's D (Taj.) and Nei's distance (Nei Dist.) in/between two simulated populations (1: EA, 2: Levant) according to EA and Levantine (LEV) scenarios for the origin of AA. Each plot includes 95% confidence intervals (CIs) estimations for the two scenarios.
AJPA_22212_sm_SuppFig5.tif2185KSupporting Information Figure 5. Contour maps of the five most frequent macro-haplogroups in East Africa (L0, L2, L3, L4, M).
AJPA_22212_sm_SuppTab1.xls36KSupporting Information Table 1. Geographic location and linguistic affiliation of the 79 examined population samples. For each sample the table includes nucleotide diversity value (pN) and Mclust results with the corresponding DAPC-based membership probabilities.
AJPA_22212_sm_SuppTab2.xls101KSupporting Information Table 2. Haplotypes and corresponding haplogroups for the Ethiopian and Kenyan samples. Haplotype motifs were obtained comparing sequences with both the Cambridge Reference Sequence (CRS) and the new Reconstructed Sapiens Reference Sequence (RSRS).
AJPA_22212_sm_SuppTab3.xls32KSupporting Information Table 3. Frequencies of the considered mtDNA haplogroups in East African populations.
AJPA_22212_sm_SuppRef.doc43KSupporting Information Reference.

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