Penetrance
Penetrance 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. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Penetrance — is a term used in genetics describing the proportion of individuals carrying a particular variation of a gene (an allele or genotype) that also express a particular trait (the phenotype). For example, known mutations in the gene responsible for… …   Wikipedia

  • Penetrance — Pénétrance La pénétrance, en génétique, est la portion d individus possédant un génotype donné qui exprime le phénotype correspondant. La pénétrance d une maladie génétique est de 100 % si cette maladie s exprime dès que les conditions… …   Wikipédia en Français

  • pénétrance — [ penetrɑ̃s ] n. f. • mil. XXe; de pénétrer ♦ Biol. Degré de régularité avec lequel un gène produit son effet spécifique parmi ses porteurs, dans une population. ● pénétrance nom féminin Pourcentage des membres d une famille dont le patrimoine… …   Encyclopédie Universelle

  • penetrance — penetrance. См. проявление гена. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • penetrance — [pen′i trəns] n. [< PENETR(ATE) + ANCE] Genetics the degree of regularity with which a gene produces its specific effect in its carriers in a population …   English World dictionary

  • Pénétrance — La pénétrance, en génétique, est la portion d individus possédant un génotype donné qui exprime le phénotype correspondant. La pénétrance d une maladie génétique est de 100 % si cette maladie s exprime dès que les conditions génétiques sont… …   Wikipédia en Français

  • 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. * * * The frequency, expressed as a fraction or… …   Medical dictionary

  • penetrance — n. the frequency with which the characteristic controlled by a gene is seen in the individuals possessing it. Complete penetrance occurs when the characteristic is seen in all individuals known to possess the gene. If a percentage of individuals… …   The new mediacal dictionary

  • penetrance — noun Etymology: International Scientific Vocabulary, from Latin penetrare Date: 1934 the proportion of individuals of a particular genotype that express its phenotypic effect in a given environment …   New Collegiate Dictionary

  • penetrance — The proportion of individuals with a specific genotype who express that character in the phenotype …   Dictionary of molecular biology

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