| On the other hand, their ancestors, the green or yellow mastigota, form new plasm by photosynthesis like true cells. |
| Prominent among the defenders of natural selection was the German biologist August Weismann, who in the 1880s published his germ plasm theory. |
| Analysis of homozygous germline clones can be employed to reveal the role of pleiotropic genes in pole plasm formation. |
| At gastrulation, the germ plasm is located in cells in the floor of the blastocoel cavity, among the cells that give rise to the endoderm. |
| He has been evaluating 53 accessions of hairy vetch in the USDA germ plasm collection to identify plants useful as parental material. |
| The plasm is colorless or green by the presence of zoochlorella, or colored brown or black by pigments. |
