Across
- 1. inability to conceive a child
- 5. blueprint for the creation of a person
- 10. pear-shaped muscle in which baby develops
- 12. baby's development during pregnancy
- 14. threadlike structure in the nucleus of every cell
- 15. substitute
- 17. what the baby is called from the third week to the eighth week
- 18. molecules that make up genes
Down
- 2. connects the ovary to the uterus
- 3. unit that determines a human's inherited characteristics
- 4. process of sperm fertilizing egg
- 6. connects the developing baby to the placenta
- 7. baby from the ninth week until birth
- 8. male cell
- 9. liquid that surrounds the developing baby
- 11. egg cell
- 13. tissue that connects developing baby to the uterus
- 16. fertilized egg