The results of this study also confirm that there were multiple introductions of domestic chickens, today an important food source and ritually significant species, to different parts of Africa at different times. (sciencedaily.com)
But the replicate tests in domestic chicken embryos all failed, revealing that while the cells were definitely germ cells, they were not the primordial germ cells needed for recreating Heath Hens. (reviverestore.org)
The next step was to inject the germ - cells into developing domestic chicken embryos: the first step to creating the surrogate germ - line chimeric parents. (reviverestore.org)