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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
X-linked trait — an inherited trait determined by a gene on the X chromosome (X linked gene); see also under inheritance … Medical dictionary
Y-linked trait — an inherited trait determined by a gene on the Y chromosome (Y linked gene); see also under inheritance … Medical dictionary
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
Quantitative trait locus — See also: Epistasis Quantitative traits refer to phenotypes (characteristics) that vary in degree and can be attributed to polygenic effects, i.e., product of two or more genes, and their environment. Quantitative trait loci (QTLs) are stretches… … Wikipedia
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
Mapping of quantitative trait loci — Quantitative traits refer to the traits whose phenotypic characteristics vary in degree and can be attributed to the interactions between two or more genes and their environment. Though not necessarily genes themselves, quantitative trait loci… … Wikipedia
X-linked — adjective relating to genes or characteristics or conditions carried on the X chromosome an X linked mutation • Pertains to noun: ↑X chromosome * * * ˈ ̷ ̷ ¦ ̷ ̷ adjective Usage: usually capitalized X : located on an X chromosome an X linked gene … Useful english dictionary
