| Each in turn examined the theory of preformation in the light of natural philosophy and religion. |
| Let us first cast a historical glance at the older ontogeny, and the theory of preformation which is connected with it. |
| Therefore, yes, genetics brings a sort of new preformation or more accurately predeterminism. |
| In this respect it is like its predecessor, the theory of preformation of the eighteenth century. |
| It is interesting to display the essential contrast between preformation and epigenesis in the poetical words of Wolff himself. |
| Nature or nurture, epigenesis or preformation, genetic determinism or developmental free will, or is some version of a middle ground possible? |
