polygenic

Definition

Relating to a trait or condition that is influenced by the interaction of multiple genes rather than a single gene.

Etymology

Derived from the Greek 'poly-' (many) and 'genos' (birth/descent), the term was coined in the early 20th century to describe characteristics controlled by the combined effect of several gene loci.

In the news

The article mentions that researchers developed 'polygenic risk scores' to evaluate the genetic predisposition for eating disorders, though these scores currently have modest predictive power.

Eating Disorder Genetics Go Beyond BMI

Medscape

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