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Is Cleft Lip and Palate Genetic?
- Heritability
- ~28%
- Inheritance
- multifactorial
- Key genes
- IRF6,VAX1,GRHL3,FOXE1
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Cleft lip and palate is one of the most common birth defects. Heritability ranges from 28–87% depending on the type with multiple genes and environmental factors involved.
How Genetic Is Cleft Lip and Palate?
Genetics plays a meaningful role in Cleft Lip and Palate, with heritability estimated at around 28%. However, environmental factors — including diet, lifestyle, and exposure — also significantly influence risk.
Key genes associated with Cleft Lip and Palate: IRF6,VAX1,GRHL3,FOXE1. 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 Cleft Lip and Palate?
Family history does matter. Having close relatives with Cleft Lip and Palate can increase your personal risk, though it is not deterministic. Maintaining a healthy lifestyle and regular screening remain important regardless of family background.
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