orthoselection
nounEtymology From ortho- + selection, originally coined by Ludwig Plate in 1913.
1
Historical The hypothesis that posits that orthogenesis works by means of natural selection.
Evolutionary theory
2
Biology, Genetics, Medicine, Natural sciences, Sciences The acquisition of a common series of rearrangements within a genetic lineage.
- 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."Chromosomal Changes and Stasis in Marine Fish Groups" in Fish Cytogenetics, Wagner Franco Molina, p. 83