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Is It Genetic?

Straight answers for 485 medical conditions — heritability percentages, inheritance patterns, and key genes, all in plain English.

Browse all 485 conditions Try the Family History Risk Checker →

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How We Rate Genetic Conditions

YES — Strong genetic cause; heritability >60%
PARTIAL — Genetics is one factor among several
COMPLEX — Many genes, many environmental factors
NO — Not primarily genetic in origin

All heritability estimates are drawn from peer-reviewed research via MedlinePlus Genetics, the CDC, and the NIH. 247GeneticCheck does not provide medical advice.