\usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$g = \mathop {\sum}\nolimits_{j = 1}^M {x_{jl}\beta _j}$$\end{document}g=∑j=1Mxjlβj, where xjl denotes the minor allele count (xjl equals to 0, 1 or 2) at the jth causal variant in population l. The environmental effect (e) was simulated using a normal distribution with mean 0 and variance equal to (1 − h2): \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$e\sim N(0,1 - h^2)$$\end{document}e~N(0,1−h2), such that the phenotypic variance across populations was equal to 1.
