Across
- 2. female gamete
- 3. product of fertilisation
- 4. cleavage happens vertically and equally
- 7. splitting of cells
- 9. connection between mother and foetus
- 11. powerhouse of the cell
- 13. spreading of cells
- 15. example of holoblastic equal cleavage
- 16. example of haemochorial placenta
- 19. small cells due to unequal division
Down
- 1. also known as cleavage
- 4. egg which has high amount of yolk
- 5. cavity of blastula
- 6. virginal reproduction
- 8. fusion of male and female pronuclei
- 10. outermost layer
- 12. extra embryonic membrane
- 14. nutritive component of zygote
- 17. rearrangement of cells
- 18. product of cleavage