. . . . . . . . "polygenic" . "quantitative characters" . . . . "twin and family studies" . "mathematical genetics" . "quantitative effects" . "Quantitative Genetics" . "geneticists" . "behaviour genetics" . "additive genetic variance" . "Quantitative genetics" . "quantitative genetic" . "Mathematical genetics" . "quantitative genetics" . "Quantitative genetic" . "Quantitative genetics#Selection" . . . "gene effects" . . . "population-genetic" . . . "quantitative genetic analysis" . "quantitative-genetic" . "biometrical genetics" . . . "quantitative geneticist" . . . "Quantitative genetics" . . . . "quantitative" . . .