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Mod 14
Predicticting individual differences
| Term | Definition |
|---|---|
| Heredity | The genetic transfer of characteristics from parent to offspring (46 chromosomes containing DNA) |
| Genes | Segments of DNA |
| Monozygotic | (Identical) Twins -Single egg splits in two -Genetically identical |
| Dizygotic | (Fraternal) twins -2 eggs released -No more genetic similarity than siblings |
| Identical twin studies | reveal much about the influence of nature vs nurture |
| Identical twins reared apart | -Same nature, different nurture -Show similar fears, tastes, abilities, & interests, incidence of psychological disorders |
| Heritability | -Variation among individuals in a group that we can attribute to genes -Similarity in environment increases heritability |
| Epigenetics | The study of environmental influences on gene expression Example: Development of cancer for a smoker vs. non-smokers with risky genes |