PSY 1102 Chapter Notes - Chapter 4: Heritability, Advantageous, Genetic Testing

• School: University of Ottawa
• Department: Psychology
• Course: PSY 1102
• Professor: Victor Emerson

Document Summary

Chapter 4: nature and nurture and human diversity. Behaviour genetics: the study of how the relative power and limits of genetic and environmental influences on behaviour. Environment: every nongenetic influence from prenatal nutrition to the people and things around us. 46 chromosomes: genes: the biochemical units of heredity that make up the chromosomes. Twin and adoption studies: tell apart hereditary and environment, control hereditary and vary home environment, control home environment and vary hereditary. Identical twins 3 out of 4 chance of being autistic if their brother is: fraternal 1 out of 3 chance, twins are studied to show the impact of environment and genes. Identical twins can be behaviourally similar as well: extraversion and neurotism ( emotional stability) they had greater similarities, drinking and driving if the identical twin had a conviction the other one was likely to do it as well.