PSYC 464 Chapter Notes - Chapter 9: Juvenile Delinquency, Behavioural Genetics, Color Wheel Theory Of Love
15 Feb 2018
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Eugenics belief that humanity could be improved through selective breeding. Cloning belief that it might be technologically possible to produce a complete duplicate of a human being. Neither is very feasible because personality involves an interaction between genes and the environment. People who are closer genetic relatives ought to be more similar on a genetic trait than distantly related people. Monozygotic/identical twins come from splitting of a single fertilized egg. Dizygotic/fraternal twins come from two eggs fertilized by two different sperm. Behavioral genetics focus on the <1% of the human genome that differs among individuals. Heritability coefficient reflects the degree to which variance of the trait in the populations can be attributed to variance in genes. Behavioral genetics addresses how traits are passed on from parent to child and shared by biological relatives. Personality trait pattern of behavior that is generally consistent across situations. Epigenetics nongenetic influences on a gene"s expression (such as stress, nutrition, etc. )
