Heredity, Human Genetics 20 Human genetics 16 Social aspects 8 Eugenics 6 Human evolution 6 Intellect 5 المزيد ... Intellectual disability 5 Genetic aspects 4 Human beings 4 Human population genetics 4 Intelligence tests 4 Medical genetics 4 Ability 2 Behavior genetics 2 Biology 2 Child psychology 2 Effect of environment on 2 Environmental psychology 2 Evolution 2 Genetic counseling 2 Heredity 2 Human behavior 2 Intelligence levels 2 Nature and nurture 2 People with mental disabilities 2 Physical anthropology 2 Population 2 Twins 2 Abnormalities, Human 1 أقل ...