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C3- The Nature and Nurture of Behavior


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Threadlike sturctures made of DNA molecules that contain the genes.
A complex molecule containing the genetic information that makes up the chromosomes. (Double Helix)
DNA (Deoxyribonucleic acid)
The biochemical units of heredity that make up the chromosomes; a segment of DNA capable of synthesizing protein.
The complete instructions for making an organism, consisting of all the genetic material in its chromosomes.
E.g- The human genome has 3 Billion weakly bonded pairs of nucleotides organized as coiled chains of DNA.
The priniciple that, among the range of inherited trait variations, those that lead to increased reproduction and survival will most likely be passed on to succedding generations.
Natural Selection
A random error in gene replication that leads to a change in the sequence of nucleotides; the source of all genetic diversity.
The study of the evolution of behavior and the mind, using principle of natural selection.
Evolutionary Psychology
In psychology, the characteristics, whether biologically or socially influenced, by which people define male and female.
The study of the relative power and limits of genetic and environmental influences on behavior.
Behavior Genetics
Every nongenetic influence, from prenatal nutrition to the people and things around us.
Twins who develop from a single fertilized egg that splits in two, creating two genetically identical organisms.
Identical Twins
Twins who develop from separate eggs. They are genetically no closer than brothers and sisters, but they share a fetal environment.
Fraternal Twins
A person's characterisitc emotional reactivity and intensity.
The proportion of variation among individuals that we can attribute to genes.
The dependence of the effect of one factor (such as environment)on another factor (such as heredity)
The subfield of biology that studies the molecular structure and function of genes.
Molecular genetics
The enduring behaviors, ideas, attitudes, and traditions shared by a large group of people and transmitted from one generation to the next.
An understood rule for accepted and expected behavior.
"Proper Behavior"
The buffer zone we like to maintain around our bodies.
Personal space
Self-replicating ideas, fashions, and innovations passed from person to person.
The sex chromosome found in both men and women. Females have two, while men only have one.
X Chromosome
The sex chromosome found only in males. When paired with an __ chromosome form the mother, it produces a male child.
Y Chromosome
The most important of the male sex hormones. Both males and females have it, but the additional amount in males promotes growth of sex organs both in the fetus and puberty.
A set of expectations (norms) about a social position, defining how those in the postition ought to behave.
A set of expected behaviors for males and for females.
Gender Role
One's sense of being male or female.
Gender identity
The acquisition of a traditional masculine or feminine role.
The theory that we learn social behavior by observing and imitating and by being rewarded or punished.
Social Learning 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.
Gender Schema Theory

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