recessive

/ri'sesiv/
Học thuật
Thân thiện
recessive

A child with blue eyes has inherited a recessive gene from both parents.

Definition

  1. Adjective:

    • (Genetics) Producing its characteristic phenotype only when its allele is identical: In genetics, a "recessive" gene or allele is one whose effect is masked or overridden by a dominant allele. Its trait only appears in an organism when two copies of the recessive allele are present.
    • Of or pertaining to a recession: Relating to a period of economic decline or a movement of withdrawal.

  2. Noun:

    • An allele that produces its characteristic phenotype only when its paired allele is identical: A specific form of a gene that is only expressed when an individual has two copies of it.
Examples of Usage
  • Adjective (Genetic sense):
    • Blue eye color is a recessive trait.
    • The disease is caused by a recessive gene.
  • Adjective (Recession sense):
    • The government implemented recessive economic policies. (Note: This usage is less common; "recessionary" is more typical.)
  • Noun:
    • The child inherited a recessive for red hair from both parents.
Advanced Usage
  • "Recessive inheritance": A pattern of inheritance where a trait or disorder is expressed only when an individual has two copies of a mutant gene.
    • Cystic fibrosis is often inherited in a recessive pattern.
  • "Autosomal recessive": Referring to a recessive allele located on an autosome (non-sex chromosome).
    • Sickle cell anemia is an autosomal recessive disorder.
Variants and Related Words
  • Recessiveness (n): The quality or condition of being recessive.
    • The recessiveness of the allele explains why the trait skipped a generation.
  • Recession (n): A period of temporary economic decline.
    • The country entered a severe recession.
  • Recessionary (adj): Characteristic of or relating to an economic recession.
    • Recessionary pressures affected the job market.
Synonyms
  • Genetic sense: Latent, masked, non-dominant.
  • General sense: Retreating, withdrawing.
Antonyms
  • Genetic sense: Dominant.
  • General sense: Advancing, progressive.
recessive

A child with blue eyes has inherited a recessive gene from both parents.

Adjective
  1. (of genes) producing its characteristic phenotype only when its allele is identical
  2. of or pertaining to a recession
Noun
  1. an allele that produces its characteristic phenotype only when its paired allele is identical

Từ đồng nghĩa

Từ trái nghĩa

Từ chứa "recessive"

Từ có nhắc đến "recessive"