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Related Flashcards
Cards In This Set
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Behavior Genetics (pg. 134)
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The study of the relative power and limits of genetic and enviormental infulences on behavior
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Chromosomes (pg. 134)
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Are threadlike structures made of DNA molecules that contain the genes. In conception, the 23 chromosomes in the egg are paired with the 23 chromsomes in the sperm.
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DNA (Deoxyribonucleic acid)
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Complex molecular containing the genetic info that makes up chromosomes
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Genes
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Are the biological units of heredity that make up the chromosomes; they are segments of DNA molecules capable of syntheizing a protien.
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Genome
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Is the complete genetic instructions for making an orgainism.
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Identical Twins
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Develop from a single fertilized egg that splits in two and therefore are geneticaly identical.
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Fracternal Twins
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Develop from two separate eggs fertilized by sperm and therefore are no more genetically similar than ordinary siblings.
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Temporment
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Refers to a person's characteristic emotional reactivity and personality
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Heritablity
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Refers to the population of variation among individuals that can be attributed to genes.
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Interaction
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Occurs when the effects of one factor (such as enviorment) depend on another factor (such as heredity)
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Molecular Genetics
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Is the study of the molecular structure and function of specific genes.
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Evolutionary Psychology
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The study of the evolution of behavior and the mind, using principles of natural selection.
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Natural Selection
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The evolutionary priciple that traits that lead to increased reproduction and survival are the most likely to be passed on to succeeding generations.
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Mutations
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Random errors in gene replication that are the source of genetic diversity within a species.
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Gender
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Refers to the biological and social characteristiczs by which people define as male and female
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