Clone: Depending on the context, this word can have a few different meanings:

  * In the context of genes, cloning means that the physical identity of a gene has been found, and the gene has been sequenced.
  * In the context of DNA, a cloned DNA fragment is one that has been inserted into some kind of vector and has been archived in some way such that researchers can easily replicate it. 
  * In the context of molecular biology, cloning refers to the laboratory techniques used to clone a DNA fragment. 
  * In the context of organisms, clones are a collection of individuals that are genetically identical to each other.
  * In the context of microbiology or cell biology, a clone (also called a colony in this context) is a clump of cells, usually in a Petri dish, that all derive from a single founder cell and are all clones of each other.