character stasis

character stasis

[′kar·ik·tər ‚stā·səs]
(genetics)
Long-term constancy in a phenotypic character within a lineage.
References in periodicals archive ?
The problems include the paradox of lekking, the biological species concept, species (versus clade) selection, character stasis, Haldane's dilemma of genetic load, the evolution of sex, the phylogenetic distribution of viviparity, and the regulation of body temperature.