Myers EXPLORING PSYCHOLOGY (6th Edition in Modules)Genes: Our Biological BlueprintSlide 3Genes: Their Location and CompositionEvolutionary PsychologySlide 6Slide 7Behavior GeneticsSlide 9Slide 10Myers EXPLORING PSYCHOLOGY (6th Edition in Modules)Module 5The Nature of BehaviorJames A. McCubbin, PhDClemson UniversityWorth PublishersGenes: Our Biological BlueprintChromosomesthreadlike structures made of DNA that contain the genesDNA (deoxyribonucleic acid)complex molecule containing the genetic information that makes up the chromosomeshas two strands-forming a “double helix”- held together by bonds between pairs of nucleotidesGenes: Our Biological BlueprintGenesbiochemical units of heredity that make up the chromosomesa segment of DNA capable of synthesizing a proteinGenomethe complete instructions for making an organismconsisting of all the genetic material in its chromosomesGenes: Their Location and CompositionNucleus Chromosome GeneCell DNAEvolutionary PsychologyNatural Selectionthe principle that, among the range of inherited trait variations, those that lead to increase reproduction and survival will most likely be passed on to succeeding generationsMutationsrandom errors in gene replication that lead to a change in the sequence of nucleotidesthe source of all genetic diversityEvolutionary PsychologyEvolutionary Psychologythe study of the evolution of behavior and the mind, using the principles of natural selectionGenderin psychology, the characteristics, whether biologically or socially influenced, by which people define male and femaleEvolutionary PsychologyMen preferred attractive physical features suggesting youth and healthWomen preferred resources and social statusBehavior GeneticsBehavior Genetics study of the relative power and limits of genetic and environmental influences on behaviorEnvironment every non-genetic influence, from prenatal nutrition to the people and things around usBehavior GeneticsIdentical Twinsdevelop from a single fertilized egg that splits in two, creating two genetically identical organismsFraternal Twins develop from separate eggsgenetically no closer than brothers and sisters, but they share the fetal environmentIdenticaltwinsFraternaltwinsSamesex onlySame oropposite sexBehavior GeneticsTemperamenta person’s characteristic emotional reactivity and intensityInteractionthe effect of one factor (such as environment) depends on another factor (such as
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