or·tho·gen·e·sis (ôr th -j n  -ss)n. 1. Biology The theory that the evolution of a species is influenced most strongly by internal factors and is not subject to the external forces of natural selection. 2. The theory that all cultures pass through sequential periods in the same order. or tho·ge·netic (-j -ntk) adj.or tho·ge·neti·cal·ly adv. |
orthogenesis [ˌɔːθəʊˈdʒɛnɪsɪs]
n
1. (Life Sciences & Allied Applications / Biology) Biology
a. evolution of a group of organisms predetermined to occur in a particular direction
b. the theory that proposes such a development
2. (Sociology) the theory that there is a series of stages through which all cultures pass in the same order
orthogenetic [ˌɔːθəʊdʒɪˈnɛtɪk] adj
orthogenetically adv
orthogenesis
progressive evolution, leading to the development of a new form, as can be seen through successive generations. See also society. — orthogenetic, adj.
See also: Biologyprogressive evolution, leading to the development of a new form, as can be seen through successive generations. See also society. — orthogenetic, adj.
See also: Evolutionthe sociological theory that all cultures or societies follow the same fixed course of determinate evolution. See also evolution. — orthogenetic, adj.
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