| Answer | Crossword Clue |
|---|---|
| OOCYTE | An egg develops from it |
| epigenesis | The theory, now generally held, that an embryo develops progressively from an undifferentiated egg cell |
| ootid | an egg cell that results from the second meiotic division of an oocyte and that develops into a mature egg |
| rhachides | The vertebral column or the cord from which it develops |
| EMU | It hatches from a big egg |
| candling | (of a poultry breeder) Test (an egg) for freshness or fertility by holding it to the light |
