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Is Bardet-Biedl Syndrome Genetic?

Yes
Heritability
~100%
Inheritance
autosomal-recessive
Key genes
BBS1 BBS2 BBS10

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A ciliopathy causing obesity retinal dystrophy polydactyly and renal anomalies. At least 21 BBS genes have been identified.

How Genetic Is Bardet-Biedl Syndrome?

Bardet-Biedl Syndrome has a strong genetic basis. Research estimates heritability at approximately 100%, meaning genetic factors account for the majority of variation in whether individuals develop this condition.

Key genes associated with Bardet-Biedl Syndrome: BBS1 BBS2 BBS10. Variants in these genes have been identified through genome-wide association studies (GWAS) and clinical research as influencing susceptibility or severity.

Source: MedlinePlus Genetics

Does Family History Matter for Bardet-Biedl Syndrome?

Yes — family history is one of the strongest predictors of Bardet-Biedl Syndrome. If a first-degree relative (parent, sibling, or child) has been diagnosed, your own risk may be significantly elevated. Discussing your family history with a healthcare provider or genetic counsellor is strongly recommended.

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Related Genetic Conditions

Sources