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Chapter 4
Nature, Nurture and Human Diversity
16
Psychology
Undergraduate 1
09/18/2011

Additional Psychology Flashcards

 


 

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Term
Behavior Genetics
Definition
The study of relative power and limits of genetic and environmental influences on behavior
Term
Environment
Definition
Every non genetic influence, from prenatal nutrition to the people and things around us.
Term
Chromosones
Definition
Threadlike structures made of DNA molecules that contain the genes.
Term
DNA
Definition
A complex molecule containing the genetic information that makes up the chromosones
Term
Genes
Definition
The biochemical units of hereditary that makes up the chorosones; a segment of DNA capable of synthesizing a protein.
Term
Genome
Definition
Complete instructions for making an organism , consisting of genetic material in that organism's chromosomes.
Term
Identical Twins
Definition
Twins who develop from a single fertilized egg that splits in two, creating two genetically identical organisms.
Term
Fraternal Twins
Definition
Twins who develop from separate fertilized egg. They are genetically no closer than siblings except for the fact that they shared a fetal environment
Term
Temperant
Definition
A person's characteristic emotional reactivity and intensity
Term
Heritability
Definition
The extent to which variation among observable characteristics or traits can be attributed to their differing genes.
Term
Interaction
Definition
The interplay that occurs when the effect of one factor (environment) depends on another factor (heredity)
Term
Molecular Genetics
Definition
The subfield of biology that studies the molecular structure and the functions of genes
Term
Evolutionary Psychology
Definition
The study of evolution of behavior and the mind, using principles of nature selection. Focus on what makes us alike as human beings and Darwin's theory of evolution
Term
Natural Selection
Definition
the principle that among the many inherited traits those that lead to increased reproduction and survival will be passed down to the next generation
Term
Mutation
Definition
Random error in gene replication that leads to a change
Term
Fitness
Definition
Our ability to survive and reproduce
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