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Genetics, Evolution, and the Endocrine System UNIT 3C: BIOLOGICAL PSYCHOLOGY Behavior Genetics: Predicting Individual Differences Behavior Geneticists Environment Genes Chromosomes: DNA (deoxyribonucleic acid) Genes Genome Behavior Genetics: Predicting Individual Differences Twins and Genetics Identical Twins Fraternal Twins Biological and Adoptive Relatives Heritability Differences among people/ not nature and nurture Thomas Bouchard Physical Similarities Behavior Genetics: Predicting Individual Differences Gene-Environment Interaction Molecular Genetics Seeks to identify specific genes that are responsible for behavior Purpose is to find some of the may genes that influence normal human traits and explore the mechanisms that control gene expression Chromosomal Abnormalities Turner’s Syndrome Klinefelter’s Syndrome Down Syndrome Evolutionary Psychology: Understanding Human Nature Evolutionary Psychologists Natural Selection Natural Selection and Adaptation Mutations Evolutionary Success Evolutionary Psychology: Understanding Human Nature An Evolutionary Explanation of Human Sexuality Men are More Sexual than women Through evolution there is a difference between behaviors related to reproduction Also a notable difference is due to the fact that women can only carry one child at a time, but men can spread their genes as much as desired, making them more sexual Critiquing the Evolutionary Perspective Nature vs. Nurture The Endocrine System Endocrine System Hormones Adrenal Glands Pituitary Gland
