Trait - Dictionary Definition and Overview

Trait :  (noun)

1: a distinguishing feature of your personal nature

Based on WordNet 2.0

Trait : \Trait\, n. [F., fr. L. tractus, fr. trahere to draw. See Trace, v., and cf. Tract a region, Trace a strap, Tret.] 1. A stroke; a touch.

By this single trait Homer makes an essential difference between the Iliad and Odyssey. --Broome.

2. A distinguishing or marked feature; a peculiarity; as, a trait of character.

Note: Formerly pronounced tr[=a], as in French, and still so pronounced to some extent in England.

Based on Webster's Revised Unabridged Dictionary

Trait :  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 in the genome and therefore precludes having descendants. All such cases must necessarily be sporadic and must represent new mutations, not inherited ones (because a potential parent with the trait would die before being able to pass it along).

A mendelian trait is one that segregates in accordance with the laws of genetics set forth by Gregor Mendel. Sickle cell trait is a mendelian trait. It refers to the situation in which a person has one copy (and one copy only) of the gene for sickle cell but does not have sickle cell disease (which requires two copies of the sickle cell gene). If two people with sickle cell trait have children together, each of their children has a one in four chance (25%) of having sickle cell disease.

A nonpenetrant trait is a genetic trait that is in the genome but does not manifest itself in the individual. By contrast, a penetrant trait is one that manifests itself. If, for example, if 100 people have a particular genetic trait but only 80 of them express it, the penetrance of that trait is 80%.

Based on Webster's Revised Unabridged Dictionary (1913)

Example Usage of Trait

WorldNewsEU: Transcriptional profiling of Trait deterioration in the insect pathogenic nematode Heterorhabditis ... - http://bit.ly/5lMunt
AutismRealityNB: #Autism is a disorder, not a Trait of genius
akamiroki: forreal though, i think the whole new boyz look #isplayedout... jeans shouldn't be tight, that's a female Trait
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