PSYC 100 Study Guide - Heritability, Random Effects Model, Human Genome Project
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PSYC 100 Full Course Notes
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What is the relationship between genes, heredity, and behaviour. Developmental psychology: concerned with the environmental variance component, that is, the prenatal and postnatal environmental influences affecting individuals during their lifetimes. Evolutionary psychology: concerned with design of human nature, all human behavioural characteristics that are the product of natural selection in ancestral environments. Behavioural genetics: concerned with the partition of individual differences into genetic and environmental variance components. Our genetic material, or dna, is organized into structures called chromosomes that are located in the nucleus of every cell; genes are regions of chromosomes that encode particular proteins. The same genes can be expressed differently depending on interactions with the environment. Much of our understanding of gene"s effects on behaviour come from twin studies, however it is still sometimes difficult to separate genetic and environmental influences. Genetic influence is measured by a statistic called the heritability coefficient, or h2.
