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vocab quiz 5 U3
Behavior genetics modules 14 and 15
| Question | Answer |
|---|---|
| Behavior genetics | the study of relative power and limits of genetic and environmental influences on behavior |
| heredity | the genetic transfer of characteristics from parents to offspring |
| environment | every non genetic influence, from prenatal nutrition to the people and things around us |
| chromosomes | threadlike structures made of DNA molecules that contain the genes |
| DNA | a complex molecule containing the genetic information that makes up the chromosomes |
| genes | the biochemical units that make up the chromosomes; segments of DNA capable of synthesizing proteins |
| genome | the complete instructions for making an organism, consisting of all the genetic material in that organism's chromosomes |
| identical twins | develop from a single fertilized egg that splits in two, creating two genetically identical organisms |
| fraternal twins | develop from a separate fertilized eggs. They are genetically no closer than ordinary brothers and sisters, but they share a prenatal environment |
| heritability | the proportion of variation among individuals in a group that we can attribute to genes. The heritability of a trait may vary, depending on the range of populations and environments studied |
| interaction | the interplay that occurs when the effect of one factor depends on another factor |
| molecular behavior genetics | the study of how the structure and functions of genes interact with our environment influence behavior |
| molecular genetics | the subfield of biology that studies the molecular structure and function of genes |
| epigenetics | "above" or "in addition to" genetics; the study of environmental influences on gene expression that occur without a DNA change |
| evolutionary psychology | the study of the evolution of behavior and the mind, using principles of natural selection |
| natural selection | the principle that inherited traits that better enable an organism, to survive and reproduce in a particular environment will most likely be passed on to succeeding generations |
| mutation | a random error in gene replication that leads to a change |
| social script | a culturally modeled guide for how to act in various situations |
Created by:
julianna merrill
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