sex linkage

Học thuật
Thân thiện
Definition

Noun: - Genetic association with sex chromosomes: The condition in which a gene or the trait it controls is located on a sex chromosome (X or Y), causing the associated characteristic to be expressed more frequently in one biological sex than in the other.

Usage
  • Sex linkage describes a pattern of inheritance where a trait is linked to the X or Y chromosome.
  • It is a fundamental concept in genetics for explaining why some conditions, like color blindness, are more common in males.
Examples
Advanced Usage
  • Sex-linked inheritance: A more specific term for the inheritance pattern resulting from sex linkage.
    • The study focused on sex-linked inheritance of a disorder in the pedigree.
  • X-linkage: A common type of sex linkage where the gene is on the X chromosome.
    • Red-green color blindness is due to X-linkage.
Variants and Related Words
  • Sex-linked (adjective): Describes a gene or trait located on a sex chromosome.
    • A sex-linked disorder.
  • X-linked (adjective): Specifically located on the X chromosome.
    • An X-linked recessive condition.
  • Y-linked (adjective): Specifically located on the Y chromosome.
    • A Y-linked trait.
Synonyms
  • Sex-linked inheritance
  • Chromosomal linkage (when specified to sex chromosomes)
Related Phrases
  • Carrier of a sex-linked trait: An individual, typically female for X-linked traits, who possesses one copy of a recessive allele on an X chromosome without expressing the trait.
    • Females can be carriers of a sex-linked trait like hemophilia.
  • Manifest in males: A common phrase describing the outcome of X-linked recessive sex linkage.
    • The condition tends to manifest in males.
Noun
  1. an association between genes in sex chromosomes that makes some characteristics appear more frequently in one sex than in the other