PSY 2012 Lecture Notes - Lecture 9: Phenotype
Document Summary
Behavioral genetics: genetic and environmental differences among people are responsible for differences in their traits most common way to study is through twin and adoption research shared environmental in uences parenting style neighborhood raised in people around you. Non shared environmental in uences feeling that parents treat you different: genetic. Identical twins (same sex) develop from a single eggs that splits in two creating two replicas. Fraternal twins (same or different sex) develop from separate eggs share fetal environment but difference in genetics. Familial association shared traits and disorders among family members. Twins concordance rates are greater in identical than fraternal experiences are usually related. Adoption similarity between adoptee"s and their biological and adopted parents. Genotype: what we are genetically made up of. Genes: direct dna to form who you are going to be. Easy child: positive mood; quickly establishes routines; adapts easily to new experiences.
