What’s a heritability score? “What does a gene do?” is at…
““What’s a heritability score? “What does a gene do?” is at least two questions. How does a gene influence average levels of a trait? How does a gene influence variation among people in levels of that trait?””
About This Quote
This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.
Gene heritability measures how much of a trait’s average level is due to genetics, while variation among individuals reflects genetic influence on differences.
In simple terms: Heritability = genetic contribution to average trait; variation = genetic influence on differences.
Distinguish between average effect and individual variation.
Themes
Mood
Type
When to use this quote
- research
- education
- clinical genetics
Key Concepts
Practical Applications
- genetic counseling
Questions to Reflect On
- How does environment interact with genetics?
- Can we change a trait despite its heritability?
Heritability alone doesn’t predict individual outcomes.