| Answer | Crossword Clue |
|---|---|
| OVA | Beginnings of embryos |
| YOLK | Embryo's source of nourishment. |
| SEEDS | Embryos |
| WOMB | Embryo's place |
| FETUS | Embryo's successor |
| YOLKS | Future embryos |
| WOMB | Embryo's site |
| OVA | Future embryos |
| OVA | Potential embryos |
| UTERI | Embryos' homes |
| UTERUS | Embryo's home |
| UTERI | Where embryos grow |
| UTERI | Where embryos develop |
| OVA | Future embryos, perhaps |
| YOLKS | Food sources for embryos |
| EGGCASE | Protective sac for some embryos |
| AVIANIZES | Modifies, as a virus, using chick embryos |
