Penetrance

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Penetrance
TermPenetrance
Short definitionpenetrance - (pronounced) (PEH-neh trunks) Describes how likely it is that a person who has a specific disease-causing mutation (change) in a gene will show signs and symptoms of the disease. Not everyone who has the mutation will develop the disease. 
TypeCancer terms
SpecialtyOncology
LanguageEnglish
SourceNCI
Comments


penetrance - (pronounced) (PEH-neh trunks) Describes how likely it is that a person who has a specific disease-causing mutation (change) in a gene will show signs and symptoms of the disease. Not everyone who has the mutation will develop the disease. For example, some people with a mutation in the BRCA1 or BRCA2 gene will develop cancer in their lifetime, while others will not. There is currently no way to know which people with a cancer-causing mutation will develop cancer. Complete penetrance means that any person who has the mutation will show signs and symptoms of the disease

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