Hyper Dictionary

English Dictionary Computer Dictionary Thesaurus Dream Dictionary Medical Dictionary


Search Dictionary:  

Meaning of PENETRANCE

Webster's 1913 Dictionary
 
 Definition: 
\Pen"e*trance\, Penetrancy \Pen"e*tran*cy\, n.
The quality or state of being penetrant; power of entering or
piercing; penetrating power of quality; as, the penetrancy of
subtile effluvia.
 
 Websites: 
 
Glossary
 
 Definition: 
  1. 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 change with the age range of the population.
  2. the degree to which an allele is expressed in the phenotype.
 

 

COPYRIGHT © 2000-2003 WEBNOX CORP. HOME | ABOUT HYPERDICTIONARY