PSYB30H3 Chapter Notes - Chapter 6: Heritability, Phenotype, Mendelian Inheritance
Document Summary
Genotypes- the way our genes interact to affect our personalities. Behavioural genetics- the study of genetic and environmental contributions to individual differences in personality and behaviour. Genotype environmental correlation- what if people change environment and environment change people. Phenotype- genotype + environment + gene-environmental correlation + gene-environmental interaction. Heritability- the amount of observed individual differences in some characteristic that can be accounted for genetic differences. Estimates for ethnic groups because it varies across ethnic groups. Environmentality- estimates the extent to which observed individual differences can be traced in anyway to individual differences in environments. Environmentality, heritability and measurement error account for all the characteristics of people. Heritability for height is very good to judge in developed countries because their environment is the same and people usually consume around the same amount of nutrition. Shared environment- aspects of family environment that are usually the same for all children living in the household.
