Across
- 3. fetus from embryo from?
- 9. chromosome segment
- 10. The human cell has 46 ___
- 11. dna structure
- 12. unit 7 is about
- 14. provides energy
- 17. A, B, AB, O
- 18. the school
- 20. eye colour chromosome
- 21. red blood cells do not have nucleus to make space for?
- 22. deoxyrobonucleic
- 23. inheritance is the passing down of ___ from the parents to the offspring
- 24. helps the sperm to swim
Down
- 1. joined center
- 2. XY
- 4. inherited from parents to
- 5. XX
- 6. chromosome thread becomes thicker
- 7. copying of DNA
- 8. giant chromosome
- 12. are the reproductive cells
- 13. colour the chromosome
- 15. outer layer of egg cell
- 16. ___ is one of the scientists that discovered the DNA structure
- 19. zygote implants