TERMIUM Plus®

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

HIPERPLOIDIA [1 record]

Record 1 2007-12-22

English

Subject field(s)
  • Genetics
DEF

The state of ... having more than the typical number of chromosomes in unbalanced sets, as in Down's syndrome.

CONT

Because of the small number of cells examined in these various cases and the absence of karyotype data in some of them it was possible only to discern a tendency towards hyperploidy through appearance of supernumeraries, the most constant of which appears to be a medium-sized chromosome (group 6-12).

French

Domaine(s)
  • Génétique
DEF

Propriété caractéristique [...] d'un noyau, d'une cellule ou d'un individu hétéroploide chez lequel il y a augmentation du nombre diploïde des chromosomes, celui-ci étant de 2n + 1, 2n + 2, etc. au lieu de 2n.

CONT

Le petit nombre de cellules examinées dans ces diverses observations et l'absence de données caryotypiques dans certaines d'entre elles, permet seulement de déceler une tendance à l'hyperploidie par apparition de surnuméraires dont le plus constant semble être un moyen (groupe 6-12).

Spanish

Campo(s) temático(s)
  • Genética
DEF

Cualquier aumento del número de cromosomas que afecta a los cromosomas individuales más que a grupos enteros, ocasionando un número superior al número normal haploide característico de la especie, como ocurre en el síndrome de Down.

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