Across
- 3. the first stage of cell division
- 4. the death of cells
- 6. has membrane-bound organelles
- 8. a full set of chromosomes
- 10. a complete set of genetic material present in a cell
- 11. any cell of a living organism
- 13. a section of a chromosome
- 14. specialised structures in a cell
- 17. a human has 46 ____
- 18. the number and visual appearance of the chromosomes in the cell nuclei in an organism
- 20. developed from earlier cells
- 21. the 'control centre' of the cell
- 23. a protein structure that divides genetic material in a cell
- 25. the second stage of cell divison
- 27. two or more alternate forms of a gene
Down
- 1. a type of cell division that results in four daughter cells
- 2. are made up of amino acids
- 3. a microscopic single-celled organism
- 5. the final phase of cell division
- 7. a type of cell division that results in two daughter cells
- 9. the carrier of genetic information
- 12. the part of a chromosome that links sister chromotids
- 15. a half set of chromosomes
- 16. involved in development of spindle fibres
- 19. attaches to the endoplasmic reticulum to give it a 'rough' appearance
- 22. the phase of cell cycle in which a typical cell spends most of its life
- 24. a structure in plant cells made from cellulose
- 26. eggs and sperm