Significance and count of excess nonsynonymous SNPs segregating at various disparities in frequency between Senegal and Thailand. Statistical significance was evaluated in relation to synonymous SNP counts using Fisher's exact test. Horizontal dotted line indicates a P-value threshold of 0.05.
Neafsey et al. Genome Biology 2008 9:R171 doi:10.1186/gb-2008-9-12-r171