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Is Colon Cancer (Sporadic) Genetic?
- Heritability
- ~35%
- Inheritance
- polygenic
- Key genes
- APC MLH1 MSH2
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Sporadic colon cancer has a polygenic risk component; familial forms (Lynch syndrome FAP) are strongly hereditary.
How Genetic Is Colon Cancer (Sporadic)?
Colon Cancer (Sporadic) involves complex interactions between multiple genes and environmental factors. Heritability estimates range up to 35%, though no single gene determines outcome on its own.
Key genes associated with Colon Cancer (Sporadic): APC MLH1 MSH2. 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 Colon Cancer (Sporadic)?
Family history can be informative for Colon Cancer (Sporadic), but its predictive power is limited because many genes — each with small effects — combine with environmental influences. A family history of the condition may prompt earlier or more frequent screening.
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