Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The frequency, under given environmental conditions, with which a specific phenotype is expressed by those individuals with a specific genotype.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The quality or state of being penetrant; power of entering or piercing; penetrating power.
  • n. The proportion of individuals carrying a particular variation of a gene that also express an associated trait

from the GNU version of the Collaborative International Dictionary of English

  • n. The quality or state of being penetrant; power of entering or piercing; penetrating power or quality.

from The Century Dictionary and Cyclopedia

  • n. Same as penetrancy.

Etymologies

penetrate +‎ -ance (Wiktionary)

Examples

  • And seagrasses are especially sensitive to sediment since they need light for photosynthesis suspended sediments make the water less clear, reducing light penetrance.

    John F. Bruno: Impacts of the Japanese Tsunami on Ocean Life

  • The genetic data also show that the penetrance of Native Americans is very low in today's Central and Southern populations.

    New World Apocalypse, Bryan Caplan | EconLog | Library of Economics and Liberty

  • This, the penetrance of the BRCA gene in these families was only presumed, not measured.

    BRCA Mutations and Familial Breast Cancer Risks

  • But we still don't know the true prevalence or penetrance of this gene in the general population, and what it really means to be a carrier.

    BRCA Mutations and Familial Breast Cancer Risks

  • When antitobacco campaigns lose their effectiveness or penetrance—as has recently happened among teens in America or in Asia—smoking often returns like an old plague.

    The Emperor of All Maladies

  • “The penetrance rate is amazing, absolutely astonishing,” said Agus, perhaps because some people prefer the comfort of using a service sanctioned and managed by their employer rather than entrusting their credit-card details to an unknown vendor.

    The $1,000 Genome

  • Both inherited (autosomal dominant and recessive with variable levels of penetrance) and sporadic forms of uncombable hair syndrome have been described, both being characterized by scalp hair that is impossible to comb due to the haphazard arrangement of the hair bundles.

    Boing Boing

  • Bukti terbaru menunjukkan pola pewarisan yang kompleks dengan satu atau beberapa gen mayor, banyak tempat multiple loci, low penetrance, dan pengaruh lingkungan.

    Mengenal Misteri Sindrom Tourette – Netsains.Com

  • Although the clinical use of single, common low-penetrance genes is limited, a small number of susceptibility alleles could distinguish women at high risk for breast cancer from women at low risk, particularly in the context of population-screening programs.

    Archive 2008-06-22

  • Conclusions The clinical use of single, common, low-penetrance genes is limited, but a few susceptibility alleles may distinguish women who are at high risk for breast cancer from those who are at low risk, particularly in the context of population screening...

    Archive 2008-06-22

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