TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

POLYTENIC [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-10-24

English

Subject field(s)
  • Genetics
  • Molecular Biology
DEF

A giant chromosome in which the DNA has undergone repeated replication without separation into new chromosomes.

OBS

Polytene chromosomes (polytene means "many-banded") are found in specialized cells of the malpighian excretory tubules, rectum, gut, foot-pads and salivary glands of dipterian insects such as houseflies, mosquitoes and fruit flies.

French

Domaine(s)
  • Génétique
  • Biologie moléculaire
DEF

Chromosome géant en interphase, comme ceux trouvés dans les glandes salivaires de la larve de drosophile.

CONT

Il s'agit d'un chromosome polytène de la mouche drosophile, qui est coloré par un composé fluorescent bleu.

Spanish

Campo(s) temático(s)
  • Genética
  • Biología molecular
DEF

Cromosoma gigante producido por replicación en la interfase sin separación posterior y que contiene numerosas cromátidas idénticas dispuestas una al lado de otra.

Save record 1

Record 2 2004-12-10

English

Subject field(s)
  • Genetics
  • Molecular Biology
DEF

Relating to, being, or having chromosomes each of which consists of many strands with the corresponding chromomeres in contact.

French

Domaine(s)
  • Génétique
  • Biologie moléculaire
DEF

Qualifie un chromosome géant résultant de la duplication, à plusieurs reprises, de chromosomes homologues appariés, sans séparation ni des chromosomes ni des chromatides.

OBS

À l'interphase, ces structures restent visibles ce qui permet une étude cytologique très fine.

OBS

polytène; polyténique : On trouve, par extension, cellule polytène, noyau polytène. Toutefois ces termes font toujours référence au chromosome polytène contenu dans la cellule (ou plus précisément le noyau).

PHR

chromosome, cellule, noyau polytène.

Spanish

Campo(s) temático(s)
  • Genética
  • Biología molecular
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