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Is G6PD Deficiency Genetic?
- Heritability
- ~100%
- Inheritance
- x-linked
- Key genes
- G6PD
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G6PD deficiency is the most common enzyme deficiency affecting millions worldwide. Triggered by certain foods medications or infections it causes haemolytic anaemia.
How Genetic Is G6PD Deficiency?
G6PD Deficiency 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 G6PD Deficiency: G6PD. 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 G6PD Deficiency?
Yes — family history is one of the strongest predictors of G6PD Deficiency. 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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