GWAS

Genome-Wide Association Study: statistical hunt for genes linked to a trait.

📖 Full definition

A GWAS compares the whole genome of thousands of individuals to identify genetic variants associated with a trait (height, disease, eye colour). It is the standard method to study polygenic traits. Limits: it finds associations, not direct causes.

💡 Concrete example

GWAS on height identified more than 700 contributing genes, explaining ~40% of observed variability.

🔄 Synonyms

Genome-Wide Association Study

🔗 See also

Polygenic →
Heritability →
Genotype →

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