Definitions for "QUALITATIVE TRAIT"
or discontinuous variation Variation between individuals of a population in which differences are marked and do not grade into each other, normally brought about by the effects of different alleles at a few major genes. The traits exist only in a limited number of specific forms or are absent.
A trait that shows discontinuous variation - i.e. individuals can be assigned to one of a small number of discrete classes.
A hereditary characteristic of a plant controlled by one or a very small number of genes.