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

DOMINANT GENE [1 record]

Record 1 2003-05-15


Subject field(s)
  • Genetics

The gene for Huntington's disease is dominant. Anyone who carries it eventually develops the disease. But not all genetic disorders are so clear-cut. The genes for cystic fibrosis and sickle-cell anemia, for instance, are recessive: it takes two copies, one from each parent, to produce the disease. If both your parents carry the gene, you have one chance in four of developing the disease.


  • Génétique

[Quand on parle de dominance on parle d'un] type d'interaction entre deux gènes allèles dont l'un est qualifié de dominant et l'autre de récessif, qui aboutit pour l'hétérozygote à un phénotype plus ou moins semblable à celui de l'homozygote pour l'allèle dominant.


Campo(s) temático(s)
  • Genética
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