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familial disease

pathology
Also known as: familial disorder

Quick Summary

Familial diseases are those that occur in more members of a family than would be expected by chance. These conditions are hereditary, meaning they are passed down through generations, typically due to mutations in genes. While some genetic disorders arise from new mutations, familial diseases are inherited from parents through their reproductive cells.12

These inherited diseases can stem from various genetic causes, including chromosomal abnormalities or mutations in single genes. Single-gene disorders follow patterns like autosomal dominant or autosomal recessive inheritance, depending on whether one or two copies of a mutated gene are needed to express the disease. Some conditions, like certain cancers or heart disease, are multifactorial, influenced by multiple genes interacting with environmental factors. Genetic counseling and testing are crucial for understanding risks and making informed decisions about health.3245678

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