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Is Cleft Lip and Palate Genetic?
Is Cleft Lip and Palate hereditary? Here's what the research says about inherited risk.
- 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.
Frequently Asked Questions
Is Cleft Lip and Palate genetic?
Genetics plays a role, but environment and lifestyle also contribute. Studies suggest heritability of approximately 28%. Key genes involved include IRF6,VAX1,GRHL3,FOXE1.
Can a DNA test reveal my risk of Cleft Lip and Palate?
Yes — DNA tests such as CircleDNA's Premium Test include reports on Cleft Lip and Palate risk based on your genetic variants.
Does family history matter for Cleft Lip and Palate?
Family history does matter for Cleft Lip and Palate, though it is not deterministic — lifestyle and screening remain important regardless of family background.
Is Cleft Lip and Palate hereditary, meaning it's passed directly from parent to child?
Cleft Lip and Palate follows a multifactorial inheritance pattern in cases with a clear genetic cause, though not every case is inherited directly from a parent — some arise from new (de novo) mutations or a combination of genetic and environmental factors.
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- MedlinePlus Genetics
- MedlinePlus Genetics — National Library of Medicine
- CDC Genomics and Precision Health
Last updated: · Reviewed by the 247GeneticCheck editorial team
Content compiled with reference to peer-reviewed genetics literature and testing-provider documentation. This site does not provide medical or genetic counselling advice — always consult a healthcare professional or genetic counsellor before acting on DNA test results.