Biology And Biomedical Sciences BIOL 2960 Chapter 6: Biology And Biomedical Sciences BIOL 2960 Lecture : Chapter 6
6 Feb 2019
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Controversy about genes and personality: researchers attempt to determine the degree to which individual differences are caused by genetic and environmental differences, highly controversial. It is more like a probability" that a person will show the same pattern as their parents: heritability is not constant, the estimate of heritability can change over time, heritability is not a precise statistic. Nature-nurture debate clarified: no such debate at the individual level, should not be nature vs. nurture, should maybe be nature x nurture for contribution to adult outcomes. Influence of genes and environment is only relevant at the level of the population. Behavioral genetics methods: selective breeding, family studies, twin studies, adoption studies. Selective breeding: can only occur if a desired trait is heritable, physical trait heritability is unquestionable, what about personality, yes, labradors were bred for friendliness, selective breeding studies of dogs, cannot be ethically conducted with humans.
