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Enviroment | Nongenetic influence, from prenatal nutrition to the people and things around us |
Behavior Genetics | Study of the relative power and limits of genetic and enviromental influences |
Chromosomes | Structures made of DNA moleclules that contain the genes |
DNA | A complex molecule containing the genetic info that makes up the chromosomes |
Genes | Biochemical units of heredity that make up the chromosomes, segment of DNA capable of synthesicing a protein |
Genome | Complete instructions for making an organism |
Identital Twins | Twins who develop from single fertilized egg that splits in two |
Fraternal Twins | Twiuns that developed from seperate fertilized eggs |
Temperament | A person´s characteristic emotional reactivity and intensity |
Heritability | Proportation of variation among individuals that we can atribute to genes |
Interaction | Effect of one factor (such as enviroment) depends on another factor (such as heredity) |
Molecular Genetics | The subfield of biology that studies the structure and function of genes |
Evolutionary Psychology | Study of the evoulution of behavior and the mind, using principles of natural selection |
Natural Selection | Principle that among the range of inherited trait variations, those that lead to invreased reproduction and survival will most likely be passed on to succceding generations |
Mutation | A random error in gene replication that leads to change |
