Across
- 2. an egg cell
- 4. twins share many of the same characteristics
- 7. tube connects ovary to uterus
- 9. units that determine a humans inherited characteristics
- 10. final stage of development
- 12. tiny thread like structures in the nucleus of every cell
- 13. if baby passes after the 20th week of pregnancy
- 14. the inability to become pregnant
- 15. a male cell
Down
- 1. ovum is released by an ovary
- 3. complex molecules that make up genes
- 5. when sperm reachers the fallopian tube
- 6. the organ a baby develops in
- 7. twins might no look as much alike because they have some different characteristics
- 8. if baby passes before the 20th week of pregnancy
- 11. developing baby from 3-8 weeks