| David Hume's position on the debate between polygenesis versus monogenesis is the subject of some scholarly debate. |
| According to Mortons theory of polygenesis, races have been separate since the start. |
| Proponents of polygenesis hold that the concept of genetic relatedness between languages is inaccurate. |
| Central to a scientific concept of race would be a resolution of the question of monogenesis versus polygenesis. |
| He did not think he was seeing the gradual improvement of the human species, but assumed rather the polygenesis theory: the different races arose from separate divine creations and were designed with a range of quality. |
| The Southern opponents of polygenesis even employed many of the same arguments and sources used by abolitionists to attack white prejudice. |
