TERMIUM Plus®

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

DOMINANT ALLELE [1 record]

Record 1 2021-10-30

English

Subject field(s)
  • Genetics
  • Biotechnology
DEF

[The alternative form of a gene that] is capable of expression when carried by only one of a pair of homologous chromosomes.

CONT

Dominant alleles show their effect even if the individual only has one copy of the allele (... heterozygous [state]). For example, the allele for brown eyes is dominant, therefore you only need one copy of the "brown eye" allele to have brown eyes (although, with two copies you will still have brown eyes).

French

Domaine(s)
  • Génétique
  • Biotechnologie
DEF

[Forme alternative d'un gène] dont l'effet se manifeste lorsqu'il est présent sur un seul des deux chromosomes de la paire (état hétérozygote).

CONT

Un allèle dominant est celui qui va laisser s'exprimer la caractéristique qu'il code. Il peut n'être présent que sur un seul allèle du gène. Par exemple, l'allèle codant la couleur marron des yeux est dominant.

Spanish

Campo(s) temático(s)
  • Genética
  • Biotecnología
DEF

Alelo cuyo efecto en relación con un carácter particular es el mismo en heterocigotos que en homocigotos.

OBS

Lo opuesto es recesivo.

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