Additional file 6: Figure S3. of Variation in NAT2 acetylation phenotypes is associated with differences in food-producing subsistence modes and ecoregions in Africa

Plot of the number of alleles (distinct NAT2 sequence haplotypes) observed in samples as a function of sample size. The dashed line shows the linear regression of number of haplotypes on sample size, and Pearson’s product–moment correlation coefficient is shown in the bottom-right caption. (PDF 2 kb)