Definition of orthogenesis in English:

orthogenesis

noun ˌɔːθə(ʊ)ˈdʒɛnɪsɪsˌɔrθoʊˈdʒɛnəsəs

mass nounBiology historical

Evolution in which variations follow a particular direction and are not merely sporadic and fortuitous.
〔生〕〈主史〉直向进化，定向进化
Example sentencesExamples
- 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.
- 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.
- Mutation bias is not enough to produce orthogenesis, however.
- 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.
- 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.

Derivatives

orthogenesist

noun

Biology

historical

And a person who believes in evolution might be a devout Lamarckian or a pious Orthogenesist.

orthogenetic

adjective ˌɔːθə(ʊ)dʒəˈnɛtɪkˌɔrθoʊdʒəˈnɛdɪk

Biology

historical

His major work focused on his orthogenetic developmental theory.
Example sentencesExamples
- Basically, Newell rejected the common view according to which allometry implies nonadaptive, or orthogenetic evolution.
- The fuel in his orthogenetic engine is ‘mutation bias’. Mutation produces novel phenotypes, but it does not produce all novel phenotypes in equal frequency in a given population.
- Most American biologists had a looser expectation - that some progressive, or ‘orthogenetic’, force guided life in certain directions, most notably toward humanity and Anglo-American civilization.
- Evolutionary discussions after the publication of the six editions of the Origin and the later works took many shapes, and raised several different lines of inquiry including neo-Lamarckianism and orthogenetic theory.

orthogenetically

adverb ˌɔːθə(ʊ)dʒɪˈnɛtɪk(ə)li

Biology

historical

These three groups evolved orthogenetically and remained very similar.

Definition of orthogenesis in US English:

orthogenesis

nounˌɔrθoʊˈdʒɛnəsəsˌôrTHōˈjenəsəs

Biology historical

A theory that variations in evolution follow a particular direction and are not merely sporadic and fortuitous.
〔生〕〈主史〉直向进化，定向进化
Example sentencesExamples
- 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.
- Mutation bias is not enough to produce orthogenesis, however.
- 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.
- 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.
- 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.

词汇	orthogenesis
释义	Definition of orthogenesis in English: orthogenesis noun ˌɔːθə(ʊ)ˈdʒɛnɪsɪsˌɔrθoʊˈdʒɛnəsəs mass nounBiology historical Evolution in which variations follow a particular direction and are not merely sporadic and fortuitous. 〔生〕〈主史〉直向进化，定向进化 Example sentencesExamples 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. 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. Mutation bias is not enough to produce orthogenesis, however. 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. 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. Derivatives orthogenesist noun Biology historical And a person who believes in evolution might be a devout Lamarckian or a pious Orthogenesist. orthogenetic adjective ˌɔːθə(ʊ)dʒəˈnɛtɪkˌɔrθoʊdʒəˈnɛdɪk Biology historical His major work focused on his orthogenetic developmental theory. Example sentencesExamples Basically, Newell rejected the common view according to which allometry implies nonadaptive, or orthogenetic evolution. The fuel in his orthogenetic engine is ‘mutation bias’. Mutation produces novel phenotypes, but it does not produce all novel phenotypes in equal frequency in a given population. Most American biologists had a looser expectation - that some progressive, or ‘orthogenetic’, force guided life in certain directions, most notably toward humanity and Anglo-American civilization. Evolutionary discussions after the publication of the six editions of the Origin and the later works took many shapes, and raised several different lines of inquiry including neo-Lamarckianism and orthogenetic theory. orthogenetically adverb ˌɔːθə(ʊ)dʒɪˈnɛtɪk(ə)li Biology historical These three groups evolved orthogenetically and remained very similar. Definition of orthogenesis in US English: orthogenesis nounˌɔrθoʊˈdʒɛnəsəsˌôrTHōˈjenəsəs Biology historical A theory that variations in evolution follow a particular direction and are not merely sporadic and fortuitous. 〔生〕〈主史〉直向进化，定向进化 Example sentencesExamples 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. Mutation bias is not enough to produce orthogenesis, however. 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. 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. 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.
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