orthoselection

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English

Etymology

From ortho- +‎ selection, originally coined by Ludwig Plate in 1913.

Noun

orthoselection (uncountable)

  1. (evolutionary theory, historical) The hypothesis that posits that orthogenesis works by means of natural selection.
  2. (genetics) The acquisition of a common series of rearrangements within a genetic lineage.
    • "Chromosomal Changes and Stasis in Marine Fish Groups" in Fish Cytogenetics, Wagner Franco Molina, p. 83:
      Therefore, there is evidence that orthoselection (sensu White, 1973) takes place in a karyotypic format in some lineages and particular formats in others, and could be associated with specific adaptive values that have obvious evolutionary connotations.