what is a trait in science
(genetics) Characteristics or attributes of an organism that are expressed by genes and/or influenced by the environment. Supplement. Traits include physical attributes of an organism such as hair color, leaf shape, size, etc., and behavioral characteristics, such as bird nesting. Word origin: L tractus. See also: phenotype, inheritance, gene. Please contribute to this project, if you have more information about this term feel free to edit this page.