epigenesis 的定义
- Biology. the theory that an embryo develops from the successive differentiation of an originally undifferentiated structure.
- Genetics. the approximately stepwise process by which genetic information is modified and translated into the substance and behavior of an organism.See also epigenetics.
- Geology. ore deposition subsequent to the original formation of the enclosing country rock.
更多epigenesis例句
- Rignano calls his theory "centro-epigenesis" and is greatly influenced by Weismann.
- The development is an epigenesis, or impressing on identical material of different characters by different surrounding forces.
- It is interesting to display the essential contrast between preformation and epigenesis in the poetical words of Wolff himself.
- Elsewhere he writes: 'I believe that I have established that ontogeny can be explained only by evolution, and not by epigenesis.'
- In fact, the deepest consideration leads us again to the original question: Is embryonic development epigenesis or evolution?