orthogenesis in English

noun
1
a theory that variations in evolution follow a particular direction and are not merely sporadic and fortuitous.
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.

Use "orthogenesis" in a sentence

Below are sample sentences containing the word "orthogenesis" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "orthogenesis", or refer to the context using the word "orthogenesis" in the English Dictionary.

1. Where the fact of evolutionary change was accepted but the mechanism proposed by Charles Darwin, natural selection, was denied, explanations of evolution such as Lamarckism, catastrophism, orthogenesis, vitalism, structuralism and mutationism (called saltationism before 1900) were entertained.