The Michael Shermer Show 216. Kathryn Paige Harden — The Genetic Lottery: Why DNA Matters for Social Equality
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Oct 9, 2021 AI Snips
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Genes Shape Temperament And Life Choices
- Genes shape basic temperament and personality, which then influence choices and social roles over time.
- Heritability often increases with age because people select environments that match their dispositions.
Personal Example Of Infant Temperament
- Harden contrasts her son and daughter to show innate temperament differences from infancy.
- Those early differences predict who fits better with routinized practices like certain religions.
Heritability Grows As People Select Environments
- Heritability often rises from childhood to adulthood as people increasingly choose environments that match their genes.
- This gene–environment correlation amplifies genetic effects across development.