BioConcepts

cloneKlon (ger.)

• 1) A population of genetically identical plants which have arisen from a single parent by means of natural or artificial vegetative propagation (e.g. by the use of grafts, cuttings, etc., or by apomixis). (OED)
  category reproduction

  1903

  Clons […] are groups of plants that are propagated by the use of any form of vegetative parts.

  Webber, H.J. (1903). New horticultural and agricultural terms. Science 18, 501-503: 502.
  

  1905

  I […] suggest clone (plural clones) as the correct form of the word.

  Pollard, C.L. (1905). On the spelling of ‘clon’. Science 22, 87-88: 88.

• 2) Any group of genetically identical bacterial or eukaryotic cells produced asexually from a single ancestor. Also (Molecular Biol.): a population consisting of identical, often recombinant, DNA molecules. (OED)
  category reproduction

  1929

  In Bacillus coli communis […] a biotype was also found having lower motility than the remainder of the clone from which it came.

  Jennings, H.S. (1929). Genetics of the Protozoa. Bibliographia Genetica 5, 106-330: 234.