1. a vegetatively propagated organism, or a group of such organisms consisting of an ortet and its ramets 2. a cell line of single-cell origin 3. a gene or piece of DNA replicated (usually) in a host bacterium —note all clones imply genetically (usually) identical material and reproduction by mitotic division; they may occur naturally or be created artificially —see apomixis, asexual reproduction, combined test, graft, mitosis, ortet, parthenocarpy, plus tree This definition last updated 10/25/2008