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PSYC*1000 Psychology in Modules - Module 11 Summary Notes

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University of Guelph
PSYC 1000
Benjamin Giguere

Module 11Behavior Genetics and Evolutionary PhysicsOctober 14 2013Behavior Genetics Predicting Individual DifferencesBehavior genetics the study of the relative power and limits of genetic and environmental influences on behaviorEnvironment every nongenetic influence from prenatal nutrition to people and things around usGenes Our Codes for LifeHeredity interacts with our experiences to create both our universal human nature and our individual and social diversity Humans have 46 chromosomes threadlike structures made up of DN molecules that contain the genes 23 from each the mother and father Deoxyribonucleic Acid DNA complex molecule containing the genetic information that makes up the chromosomesGenes biochemical units of heredity that make up the chromosomes segments of DNA capable of synthesizing a proteinGenes can either be active or inactive and environmental events turn on genes When the genes have been turned on they provide the code for creating protein molecules or the bodys building blocksHumans share a common genome which distinguishes us as humansGenome complete instructions for making an organism consisting of all the genetic material in that organisms chromosomes Most of our traits are influenced by many genesIe how tall you are reflects the size of your face vertebrae leg bones and so forth each of these might be influenced by different genes reacting with the environmentComplex traits like intelligence happiness and aggressiveness are similarly influenced by groups of genesTwin and Adoption StudiesTo distinguish between the influences or environment and heredity there were 2 types of experiments1First would control the home environment while varying heredity2Second would control heredity while varying the home environment
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