MBG 2040 Lecture Notes - Behavioural Genetics, Molecular Genetics, Sensation Seeking
20 May 2014
School
Department
Course
Professor
Document Summary
One of the central goals of genetic research is to determine the percentage of an individual difference that can be attributed to genetic differences and the percentage that is due to environmental differences. The methods used by behavioural geneticists can be applied to any individual difference variable (ie: can be used to identify the cause of indiv differences in height/weight, intelligence, personality traits, attitudes, preferences, etc. ) Environmentalit attributed to environmental differences y: the percentage of observed variance in a group of individuals that can be generally speaking, the larger the heritability, the smaller the environmentality and vice versa. At the individual level of analysis, there is no nature-nurture debate: every individual contains a unique set of genes, and those genes require environments during one"s life to produce a recognizable individual. Family studies are studies that correlate degree of genetic relatedness among family members with degree of personality similarity.
