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31 terms

AP Psychology Module Three

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Environment
Every nongenetic influence, from prenatal nutrition to the people and things around us.
Behavior genetics
the study of the relative power and limits of genetic and environmental influences on behavior
Chromosomes
threadlike structures made of DNA molecules that contain the genes
DNA
a complex molecule containing the genetic information that makes up the chromosomes
Genes
the biochemical units of heredity that make up the chromosomes; a segment of DNA capable of synthesizing a protein
Genome
the complete instructions for making an organism, consisting of all the genetic material in that organism's chromosomes
Identical Twin
twins who develop from a single fertilized egg that splits in two, creating two genetically identical organisms
Fraternal Twin
Twins who develop from two separate fertilized eggs. They are genetically no more similar than brother or sisters but they have the same fetal environment
Temperament
a person's characteristic emotional reactivity and intensity
Heritability
the proportion of variation among individuals that we can attribute to genes. the heritability of a trait may vary, depending on the range of populations and environments studied.
Interaction
the effect of one factor (such as environment) depends on another factor (such as heredity)
Molecular genetics
The subfield of biology that studies the molecular structure and function of genes.
evolutionary psychology
the study of the evolution of behavior and the mind, using principles of natural selection
Natural selection
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 succeeding generations
Mutation
A random error in gene replication that leads to a change.
Gender
In psychology, the biologically and socially influenced characteristics by which people define male and female.
Culture
the enduring behaviors, ideas, attitudes, and traditions shared by a large group of people and transmitted from one generation to the next
Norm
An understood rule for accepted and expected behavior. Norms prescribe "proper" behavior.
Personal space
The buffer zone we like to maintain around our bodies.
Individualism
giving priority to one's own goals over group goals, and defining one's identity in terms of personal attributes rather than group identifications.
Collectivism
giving priority to the goals of one's group (often one's extended family or work group) and defining one's identity accordingly
Aggression
physical or verbal behavior intended to hurt someone.
X chromosome
the sex chromosome found in both men and women. females have two x chromosomes; males have one. an x chromosome from each parent produces a female child
Y chromosome
the sex chromosome found only in males. When paired with an X chromosome from the mother, it produces a male child.
Testosterone
the most important of the male sex hormones. Both males and females have it, but the additional testosterone in males stimulates the growth of the male sex organs in the fetus and the development of the male sex characteristics during puberty
Role
a set of expectations (norms) about a social position, defining how those in the position ought to behave.
Gender role
expectations regarding the proper behavior, attitudes, and activities of males and females
Gender identity
one's sense of being male or female
Gender- typing
the acquisition of a traditional masculine or feminine role.
Social Learning Theory
the theory that we learn social behavior by observing and imitating and by being rewarded or punished.
Gender Schema Theory
the theory that children learn from their cultures a concept of what it means to be male and female and that they adjust their behavior accordingly.