Variation of the log₁₀ ratio [TeX:] \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \({\hat{{\rho}}}_{\mathrm{pop}1}{/}{\hat{{\rho}}}_{\mathrm{pop}2}\) \end{document} along Chromosome 1. Each point of the figure represents one window of 1 Mb displayed according to its position on the chromosome (x-axis) and the value of the log ratios [TeX:] \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \({\hat{{\rho}}}_{\mathrm{pop}1}{/}{\hat{{\rho}}}_{\mathrm{pop}2}\) \end{document} . (A) The log ratios [TeX:] \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \({\hat{{\rho}}}_{\mathrm{Afr.-Amer.}}{/}{\hat{{\rho}}}_{\mathrm{Eur.-Amer.}}\) \end{document} are shown in blue; (B) the log ratios [TeX:] \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \({\hat{{\rho}}}_{\mathrm{Afr.-Amer.}}{/}{\hat{{\rho}}}_{\mathrm{HanChin.}}\) \end{document} are shown in pink; and (C) the log ratios [TeX:] \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \({\hat{{\rho}}}_{\mathrm{Eur.-Amer.}}{/}{\hat{{\rho}}}_{\mathrm{HanChin.}}\) \end{document} are shown in red. See also Supplemental Figures S2 to S22 online for the variation along Chromosomes 2 to 22.