dominant trait

dominant trait
an inherited trait that is phenotypically expressed even when the mutant allele is present in the heterozygous state. Cf. recessive t.

Medical dictionary. 2011.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • dominant — ► ADJECTIVE 1) most important, powerful, or influential. 2) (of a high place or object) overlooking others. 3) Genetics (of a heritable characteristic) controlled by a gene that is expressed in offspring even when inherited from only one parent.… …   English terms dictionary

  • Dominant — A genetic trait is considered dominant if it is expressed in a person who has only one copy of that gene. (In genetic terms, a dominant trait is one that is phenotypically expressed in heterozygotes). A dominant trait is opposed to a recessive… …   Medical dictionary

  • dominant — dom•i•nant [[t]ˈdɒm ə nənt[/t]] adj. 1) ruling or controlling; having or exerting authority 2) occupying a commanding or elevated position 3) predominant; chief or foremost 4) gen Genetics. a) of or pertaining to that allele of a gene pair that… …   From formal English to slang

  • dominant — adjective 1》 most important, powerful, or influential.     ↘Ecology denoting the predominant species in a plant or animal community. 2》 (of a high place or object) overlooking others. 3》 Genetics relating to or denoting heritable characteristics… …   English new terms dictionary

  • dominant — dominant, ante [ dɔminɑ̃, ɑ̃t ] adj. • XIIIe; de dominer 1 ♦ Qui exerce l autorité, domine sur d autres. Nation dominante. Féod. Fief dominant. Dr. Fonds dominant : immeuble au profit duquel existe une servitude (opposé à fonds servant). ♢ Biol.… …   Encyclopédie Universelle

  • trait — 1. trait [ trɛ ] n. m. • déb. XIIe; lat. tractus, et, pour certains sens, p. p. subst. de traire « tirer » I ♦ 1 ♦ En loc. Fait d aspirer d une manière continue pour boire. Boire à grands, à longs traits. « Un petit verre d alcool qu il sécha d… …   Encyclopédie Universelle

  • Dominant white — This dominant white Thoroughbred stallion (W2/+) has one form of dominant white. His skin, hooves, and coat lack pigment cells, giving him a pink skinned white coat. Dominant white is a group of genetically related coat color conditions in the… …   Wikipedia

  • Trait — In genetics, a trait refers to any genetically determined characteristic. In technical terms, a genetic trait is amenable to segregation analysis rather than quantitative analysis. A dominant lethal trait is a trait that is expressed if present… …   Medical dictionary

  • Trait, dominant lethal — A genetic trait that, if present in the genome of the individual, is expressed and therefore precludes the individual s having descendants. All such cases with a dominant lethal trait must necessarily be sporadic and must represent new mutations …   Medical dictionary

  • dominant — dominantly, adv. /dom euh neuhnt/, adj. 1. ruling, governing, or controlling; having or exerting authority or influence: dominant in the chain of command. 2. occupying or being in a commanding or elevated position. 3. predominant; main; major;… …   Universalium

Share the article and excerpts

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