Example image of eyePlorer eyePlorer map for 'Heritability': Genetic variation Phenotype Environmental factor Statistical model Dominance (genetics) Epistasis Maternal effect Linear regression Mean Weighted mean Artificial selection Genetic Statistics Standard error Scientific control Twin Twin study Inbreeding Gene-environment correlation Observational study Physical strength Eye color C. C. Li Iowa State University School of thought Sewall Wright University of Chicago Path analysis (statistics) North Carolina State University Ronald Fisher University of Edinburgh Analysis of variance Regression analysis Regression toward the mean Correlation Errors and residuals in statistics Intraclass correlation Linear function Allele Genotype Identity by descent Restricted maximum likelihood Raw data ASReml Selective breeding Douglas Falconer United Kingdom Midparent Natural selection Race (classification of human beings)