| Epigenesis and preformation offer two competing interpretations of what is involved, with a range of alternatives in between. |
| Nature or nurture, epigenesis or preformation, genetic determinism or developmental free will, or is some version of a middle ground possible? |
| Each in turn examined the theory of preformation in the light of natural philosophy and religion. |
| Therefore, yes, genetics brings a sort of new preformation or more accurately predeterminism. |
| The organogenetic event which initiated the neoformed organs continued until early autumn, giving rise to the following year's preformation. |
| It is interesting to display the essential contrast between preformation and epigenesis in the poetical words of Wolff himself. |
