Across
- 3. changes that happen between conception and birth
- 10. When a mother feels the movement of the baby
- 12. Smallest unit of life that is able to reproduce
- 13. a fluid filled sack
- 14. Children born in multiple pregnancy that don't look alike
- 17. The joining of the ovum and sperm
- 19. Don't usually show unless both genes are inherited
- 20. babies born in multiple pregnancy with the same EXACT genetic makeup
- 21. Contains three blood vessels that connect the child with the placenta
- 23. when bone cells start to replace cartilage
- 25. first stage of prenatal development
- 26. what the baby is called during the embryonic stage
- 27. A trait that shows even if its just one
Down
- 1. soft elastic, flexible, tissue that provides structure for the body
- 2. The organ where the baby develops
- 4. when a fetus reaches 28 weeks/7months
- 5. The second stage of prenatal Development
- 6. What is formed after conception
- 7. what a baby is called 9 weeks after conception
- 8. Two hollow tubes that extend from the uterus
- 9. carry genes in living cells
- 11. Traits passed through genes
- 15. Two or more babies develop in the same pregnancy
- 16. membrane that surrounds the baby in the uterus
- 18. The male germ cell
- 22. The female germ cell
- 24. An organ filled with blood vessels