click below
click below
Normal Size Small Size show me how
Psychology Unit 3C
Term | Definition |
---|---|
Behavior Genetics | The power of the relative power and limits genetic and environmental influences on behavior |
Environment | Every nongenetic influence from prenatal nutrition to the people and things around us |
Chromosomes | Threadlike structures of DNA molecules that contain genes |
DNA | A complex molecule containing the genetic information that makes up the chromosomes |
Genes | The biochemical units of heredity that make up the chromosomes; segments of DNA capable of synthesizing a protein |
Genome | The complete instructions for making an organism consisting of all the genetic material in the organisms chromosomes |
Identical twins | Twins who develop from a single fertilized egg that splits in two, creating two genetically identical organisms |
Fraternal twins | Twins who develop from separate fertilized eggs. They are genetically no closer then brother and sisters, but they share a fetal environment |
Heritability | The proportion of variation among individuals 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 are factors depends on another factor. |
Molecular Genetics | The subfield of biology that studies the molecular structure and function of genes |
Evolutionary psychology | The study of the evolution of behavior and the mind using principles of natural selection |
Mutation | A random error in gene replication that leads to a change |