Across
- 4. controls the characteristics an offspring will gain
- 5. single-celled organism without a nucleus
- 6. any cell present in a living organism besides the reproductive
- 8. regulates the body's tissues and organs
- 10. thread like chain of nucleotides
- 13. forms a protein structure that divides the genetic material in a cell
- 17. smallest unit of life
- 18. a membrane-bound structure found within a cell
- 21. most genes have a recessive and dominant ___
- 22. occur as thread like cells in the nucleus of eukaryotic cells
- 24. sphere-shaped structure composed of RNA and protein
- 25. coordinates the cells activities
- 26. a cell that possesses a clearly defined nucleus
- 27. the final stage of meiosis or mitosis
Down
- 1. programmed cell death
- 2. small organelle made of microtubules which exists as part of the centrosome
- 3. sequence of cells which develop into egg or sperm
- 4. genetic material of an organism
- 7. the point of where two chromatids join together
- 9. a cell reproducing by splitting
- 11. is only found in plant cells
- 12. first stage of cell division
- 14. resting period between successive mitotic divisions of a cell
- 15. a cell or organism consisting of two sets of chromosomes
- 16. the number and visual appearance of chromosomes
- 19. contains a single haploid (set of chromosomes)
- 20. essential for sexually reproduction
- 23. the second stage of cell division
- 28. describes a single set of chromosomes