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Unit 3C - Vocabulary

Terms and Concepts to Remember

QuestionAnswer
Behavior Genetics The study of the relative power and limits of genetic and environmental influences on behavior
Environment Every nongenetic influence, from prenatal nutrition to the people and things around us
Chromosomes Threadlike structures of made of DNA molecules, 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 chromosome segments 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 Twins Twins who develop from a single fertilized egg that splits into two, creating two genetically identical organisms.
Fraternal Twins Twins who develop from separate fertilized eggs. They are genetically no similar than siblings, but do share a fetal environment.
Heritability The proportion of variation among individuals that we can attribute to genes.
Interaction The interplay that occurs when the effect of one factor (environment) depends on another factor (heredity)
Molecular Genetics Sub-field of biology that studies the molecular structure and function of genes.
Evolutionary Psychology The study of the roots of behavior and mental processes using the principles of natural selection.
Natural Selection Traits contributing to survival and reproduction will most likely be passed on to the next generation.
Mutation A random error in gene replication that leads to a change.
 

 



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