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Ch. 3 Psych

Every non-genetic influence from prenatal nutrition to the people and things around us Enviornment/Nurture
Study of the relative power and limits of genetic and enviornmental influences on behavior Behavior Genetics
Develop from a single fertilized egg, that splits Identical Twins
Develop from seperated eggs Fraternal Twins
A person's characteristic emotional reactivity and intensity Temperament
The proportion of variation among individuals that we can attribute to genes Heritability
Biochemical units of heredity that make up the chromosomes, a segment of DNA capable of synthesizing a protien Genes
The complete instructions for making an organism Genome
The principle that among the range of inherited trait variations, those that lead to increased reproduction and survival will most likely be passed on to the succeeding generations Natural Selection
Random errors in gene replication that lead to a change in the sequence of nucleotides, the source of all genetic diversity Mutations
The study of the evolution of behavior and the mind, using the principles of natural selection Evolutionary Psychology
The enduring behavior, ideas, attitudes, and traditions shared by a large group of people and transmitted from one generation to the next Culture
An understood rule for accepted and expected behavior Norm
Self-replicating ideas, fashions, and innovativations passed from person to person Memes
The sex chromosome found in both men and women X Chromosome
The sex chromosome found only in men Y Chromosome
The most important of the male sex hormones Testosterone
A set of expectations(norms) about a social position, defining how a person should behave Role
A set of expected behaviors for males and females Gender Role
One's sense of being male of female Gender Identity
The aquisition of traditional masculine of feminine role Gender-typing
Theory that we learn social behavior by observing and imitating and by being rewarded of punished Socil Learning Theory
Theory that children learn fomr their cultures a concept of what it means to be male and female and that they adjust their behavior accordingly Gender Schema Theory
Created by: Alex1311