Across
- 3. furrow first sign of cytokinesis
- 5. mass of cells
- 6. failure of chromosomes to separate at anaphase
- 7. one of the two strands of a chromosome
- 9. second
- 15. third phase
- 16. paring of homologous chromosomes
- 19. one of two identical chromosomes
- 20. pattern of growth
- 21. final phase
Down
- 1. first phase
- 2. fertilized egg
- 4. union of egg and sperm cells
- 8. fourth phase
- 10. paired set of homologous chromosomes
- 11. cell in their for longest time
- 12. division of nucleus
- 13. determines if your male or female
- 14. stimulates other cells to divide
- 17. tumor
- 18. reproduces sexually