Chapter 4

Chapter 4 - Chapter 4 Genes, Evolution and Behaviour...

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Unformatted text preview: Chapter 4 Genes, Evolution and Behaviour Polygenic transmission : gene pairs combine their influences to create a single phenotypic trait, magnifies the number of possible variations in that trait that can occur Recombinant DNA procedures : DNA from another organisms taken, and inserted into a host organism, used to produce human growth hormone Gene Knockout Procedure : function of gene is eliminated because it is altered Heritability Coefficient : applies only to differences between groups, not to the contribution of genetic factors to any individual within that group or to differences between groups Concordance : co-occurrence Adoption Study : Twin Studies : Ones genotype accounts for only 50 to 70 percent of the IQ variation Reaction Range : for a genetically influenced trait, the range of possibilities (the upper and lower limits) that the genetic code allows, as large as 15 to 20 points...
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Chapter 4 - Chapter 4 Genes, Evolution and Behaviour...

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