Orthogenesis Definition

A now discredited theory that states that the progressive evolution of certain organisms in a restricted direction throughout successive generations is independent of outside influences and natural selection.
Webster's New World
The hypothesis that all cultures evolve in a linear manner from primitivism to civilization.
American Heritage Medicine
The theory, no longer accepted, that every culture follows the same fixed course of evolution, uninfluenced by differing environmental factors.
Webster's New World

(biology) A series of similar mutations in successive generations, producing evolutionary change.


Origin of Orthogenesis

  • ortho- +"Ž -genesis

    From Wiktionary

Find Similar Words

Find similar words to orthogenesis using the buttons below.

Words Starting With

Words Ending With