biology

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