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orthoselection. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Etymology
From ortho- + selection, originally coined by Ludwig Plate in 1913.
Noun
orthoselection (uncountable)
- (evolutionary theory, historical) The hypothesis that posits that orthogenesis works by means of natural selection.
- (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.