Definition of "orthoselection" in Englisch

noun

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.

   • 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.