One of the mysteries of the English language finally explained.
Evolution in which variations follow a particular direction and are not merely sporadic and fortuitous.
- ‘The data is inconsistent with orthogenesis, and somehow thinks that because he can draw a line from an extant animal to its many-times-great grandparents, he has supported directed evolution.’
- ‘Mutation bias is not enough to produce orthogenesis, however.’
- ‘A once-popular hypothesized evolutionary mechanism was orthogenesis, in which change in organisms was due not to natural selection, but to internal directional trends within a lineage.’
- ‘In contrast, other scientists imagine channeling, aka orthogenesis, to exist not only for individuals but also for species and for evolution: while there are lots of possibilities, the domain is restricted.’
- ‘Weidenreich tried to explain the seeming contradiction between isolated regional development and the unity of the human species by advancing the notion of orthogenesis, or directed evolution.’
Top tips for CV writingRead more
In this article we explore how to impress employers with a spot-on CV.