Quantitative character
A character displaying a continuous phenotypic range rather than discrete classes (characters taking any value within a limit; characters measured rather than counted such as metabolic activity, height, length, width). The genetic variation underlying a continuous character distribution may be the result of segregation at a single genetic locus or at numerous interacting loci which produce cumulative effect on the phenotype. A gene affecting a quantitative character is a quantitative trait locus, or QTL.
quantitative character