| Thus, by a simple method of artificial selection, the silkworm industry has been rescued from what threatened to be a collapse. |
| However, genetic differentiations may also be due to artificial selection, since B. davidii was cultivated as an ornamental plant. |
| But this would mean a return to artificial selection in its most primitive and sanguinary form. |
| A similar explanation of types may be given regarding animals modified by artificial selection. |
| Perhaps a study of the artificial selection of livestock would provide a clue. |
| Following on from The Blind Watchmaker it deploys computer models of artificial selection. |
