1. 
   Penetrance
   Penetrance: The likelihood a given gene will result in disease. For example, if half (50%) of the people with the neurofibromatosis (NF) gene have the disease NF, the penetrance of the NF gene is 0.5.
   Found op http://www.medterms.com/script/main/art.html?articlekey=4825
   
   
2. 
   penetrance
   The proportion of individuals with a specific genotype who express that character in the phenotype.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
3. 
   penetrance
   The proportion of individuals with a specific genotype who express that character in the phenotype. ... (18 Nov 1997) ...
   Found op http://www.mondofacto.com/facts/dictionary?penetrance
   
   
4. 
   penetrance
   (pen´ә-trәns) in genetics, the frequency of expression of a genotype under defined conditions. If it is less than 100 per cent, the trait is said to exhibit reduced penetrance or lack of penetrance.
   Found op http://www.encyclo.co.uk/local/21001
   
   
5. 
   Penetrance
   • (n.) Alt. of Penetrancy
   Found op http://thinkexist.com/dictionary/meaning/penetrance/
   
   
6. 
   Penetrance
   Penetrance in genetics is the proportion of individuals carrying a particular variant of a gene (allele or genotype) that also express an associated trait (phenotype). In medical genetics, the penetrance of a disease-causing mutation is the proportion of individuals with the mutation who exhibit cl...
   Found op http://en.wikipedia.org/wiki/Penetrance
   
   
7. 
   Penetrance
   The probability of a gene or genetic trait being expressed. 'Complete' penetrance means the gene or genes for a trait are expressed in all the population who have the genes. 'Incomplete' penetrance means the genetic trait is expressed in only part of the population. The percent penetrance also may c...
   Found op http://www.ornl.gov/sci/techresources/Human_Genome/glossary/glossary.shtml
   
   
8. 
   Penetrance
   The odds that a trait will show in the offspring that carries it.
   Found op http://www.pregnology.com/AZ/P/2
   
   
9. 
   penetrance
   Type: Term Pronunciation: pen′ĕ-trans Definitions: 1. The frequency, expressed as a fraction or percentage, of people who are phenotypically affected, among those of an appropriate genotype (i.e., homozygous or hemizygous for recessives, heterozygous or hemizygous for dominants); for an a...
   Found op http://www.medilexicon.com/medicaldictionary.php?t=66632
   
   

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