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Penetrance


Penetrance is a term used in genetics describing the proportion of individuals carrying a particular variation of a gene that also express an associated trait (the phenotype). In medical genetics, the penetrance of a disease causing mutation is the proportion of...
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penetrance n. The frequency, under given environmental conditions, with which a specific phenotype is expressed by those individuals with a specific
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Reduced penetrance often occurs with familial cancer syndromes. ... As with reduced penetrance, variable expressivity is probably caused by a ...
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Complete" penetrance means the gene or genes for a trait are expressed in all ... What are reduced penetrance and variable expressivity? ...
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Other High-penetrance Mutations: Identifying germline mutations and somatic mutations is important for our understanding of the cancerogenic process of CRC and in ...
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Low-penetrance Genetic Predisposition: Identifying germline mutations and somatic mutations is important for our understanding of the cancerogenic process of CRC and ...
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deCODEme, 23andMe, and Navigenics all offer services that only test for low penetrance genes, or genes which only sometimes produce an expected trait. Why do
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Online Medical Dictionary and glossary with medical definitions ... Definition of Penetrance. Penetrance: The likelihood a given gene will result in disease. ...
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What is penetrance? Meaning of penetrance medical term. What does penetrance mean? ... penetrance /pen·e·trance/ (pen'ĭ-trins) the frequency with which a heritable ...
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A new study calculates the odds of developing Huntington's Disease with reduced penetrance range CAG counts. ... an age of onset curve and penetrance figures. ...
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This parent with the Pp genotype exhibits reduced penetrance for the P allele. ... Penetrance - the frequency of expression of an allele when it is present in the ...
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Increasing evidence for incomplete penetrance of LRRK2 mutations presented a ... Interestingly, the age-dependent penetrance of the G2019S mutation at age 85 ...
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... risk is caused by disease loci, which include common, low penetrance alleles. ... Search for low penetrance alleles for colorectal cancer through a scan of 1467 ...
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A new US study suggests the link between a genetic mutation and the iron overload disorder haemochromatosis is more tenuous than ... Disagreement on penetrance ...
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Subject: SNP within DYT1 Reduces Penetrance of GAG Deletion. Date: 6/11/2007 ... the normal DYT1 gene greatly reduces penetrance of the GAG-deleted allele in ...
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(Date:7/25/2014)... girls reach puberty is influenced by ,imprinted genes,a subset of ... gene. This is the first evidence that imprinted genes ... of this study were published today in the journal ... menarche, is a marker for the timing of puberty in ... varies between girls, is an inherited trait, and is linked ...
(Date:7/25/2014)... a molecular testing panel developed at UPMC greatly ... surgery for patients with thyroid nodules and cancer, ... Institute (UPCI), partner with UPMC CancerCenter., The test, ... other diagnostic testing agencies, improved the chances of ... percent, according to the study published this month ...
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