Fig 1.
Line Plot of 28 MD and BL diameters (medians) in Colombians and three parental populations investigated.
Fig 2.
Violin plots of the MD diameters for the upper teeth in the Colombian population sample investigated.
Fig 3.
Violin plots of the MD diameters for the lower teeth in the Colombian population sample investigated.
Fig 4.
Violin plots of the BL diameters for the upper teeth in the Colombian population sample investigated.
Fig 5.
Violin plots of the BL diameters for the lower teeth in the Colombian population sample investigated.
Fig 6.
Correlation plot with hierarchical clustering showing Spearman correlations among the 28 MD and BL measurements used in the Colombian sample investigated.
Table 1.
Male and female differences in the Colombian sample investigated for 28 raw dental measurements (abbreviations as in the main text).
Table 2.
Male and female differences in the Colombian sample investigated for 28 size-corrected dental measurements (abbreviations as in the main text).
Table 3.
Male and female differences in the Colombian sample investigated for 3 dental indexes (abbreviations as in the main text).
Table 4.
Partial correlations between raw dental measurements, age, sex, height and genomic ancestry in the Colombian sample investigated (abbreviations as in the main text).
Table 5.
Partial correlations between size-corrected dental measurements, age, sex, height and genomic ancestry in the Colombian sample investigated (abbreviations as in the main text).
Table 6.
Partial correlations between dental indices, age, sex, height and genomic ancestry in the Colombian sample investigated (abbreviations as in the main text).
Fig 7.
Distribution of individual European Native American and African ancestry using genome-wide SNP data in the Colombian sample (a). ADMIXTURE bar plot with the Native American, European and African admixture estimates for the Colombian and Mexican samples and three parental population samples (b).
Fig 8.
Scatterplot of the first two principal components (32.5% of the total variance) based on 28 MD and BL size-corrected dental measurements in two Latin American and three parental population samples.
Ellipses of the 95% of confidence intervals are presented for the population samples investigated (a). Scatterplot of the first two principal components (6.6% of the total variance) based on genome-wide SNP data displaying the genetic relationships among two Latin American and three parental population samples (b).
Table 7.
Principal component analyses based on size-corrected measurements among three parental groups and two Latin American samples (abbreviations as in the main text).
Fig 9.
Scatterplot of the first two discriminant functions (roots) (84% of the total variance) based on 28 MD and BL size-corrected dental measurements in two Latin American and three parental population samples.
Ellipses of the 95% of confidence intervals are presented for the population samples investigated.
Fig 10.
Multidimensional scaling plot based on Mahalanobis D2 distances exhibiting the phenotypic relationships among two Latin American and three parental population samples.
Table 8.
Mahalanobis distances among three parental groups and two Latin American samples.
Table 9.
Classification matrix derived from the DFA among four groups Africans, Europeans, Native Americans and Colombians (rows: Observed cross-validated classifications; columns: Predicted cross-validated classifications).