sex-linked trait

an inherited trait determined by a gene on a sex chromosome, and therefore having a different pattern of expression in males and females; the term is usually used to denote an X-linked trait.

Medical dictionary. 2011.

Look at other dictionaries:

  • sex-linked — See sex linkage. * * * sex linked adj 1) located in a sex chromosome <a sex linked gene> 2) mediated by a sex linked gene <a sex linked character> * * * adj. describing genes (or the characteristics controlled by them) that are… …   Medical dictionary

  • sex-linked inheritance — the pattern of inheritance shown by genes carried on a sex (X or Y) chromosome, differing for males and females. See also under gene and trait …   Medical dictionary

  • X-linked trait — noun Any trait or characteristic whose appearance or absence in a person is determined by a gene on the sex chromosomes. Typically, these genes are found on the X chromosome but not on the Y chromosome. Syn: sex linked trait …   Wiktionary

  • Human disorders attributable to sex-linked recessive inheritance — ▪ Table Human disorders attributable to sex linked recessive inheritance trait conspicuous signs hemophilia A bleeding tendency with joint involvement Duchenne muscular dystrophy progressive muscle weakness Lesch Nyhan syndrome cerebral palsy,… …   Universalium

  • Sex linkage — is the phenotypic expression of an allele that is related to the chromosomal sex of the individual. This mode of inheritance is in contrast to the inheritance of traits on autosomal chromosomes, where both sexes have the same probability of… …   Wikipedia

  • sex chromosome — Genetics. a chromosome, differing in shape or function from other chromosomes, that determines the sex of an individual. [1910 15] * * * Either of a pair of chromosomes that determine whether an individual is male or female. The sex chromosomes… …   Universalium

  • X-linked recessive — is a mode of inheritance in which a mutation in a gene on the X chromosome causes the phenotype to be expressed (1) in males (who are necessarily hemizygous for the gene mutation because they have only one X chromosome) and (2) in females who are …   Wikipedia

  • X-linked — On the X chromosome. "Linked" in genetics does not mean merely associated. An X linked gene travels with the X chromosome and therefore is part of the X chromosome. * * * Pertaining to genes borne on the X chromosome. Commonly but… …   Medical dictionary

  • Y-linked — A gene on the Y chromosome. A Y linked gene is by necessity passed from father to son, since the Y chromosome can only be transmitted by a man to his male progeny. It has often been said that little is known about whether specific genes are or… …   Medical dictionary

  • Peach-faced Lovebird colour genetics — The science of Peach faced Lovebird colour genetics deals with the heredity of colour variation in the feathers of the species known as Agapornis roseicollis , commonly known as the Peach faced Lovebird or Rosy faced Lovebird .Peach faced… …   Wikipedia


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.