The Cell Cycle

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Across
  1. 4. process by which the cell is divided into two daughter cells
  2. 6. relaxed form of DNA that makes up chromosomes
  3. 9. two identical chromosomes that make up a duplicated chromatid
  4. 13. a cell that contains a single set of chromosomes
  5. 15. the first stage of mitosis
  6. 16. single chromosomes attached to its copy by a centromere
  7. 18. the stage in mitosis in which chromosomes become visible as tightly coiled threadlike structures.
Down
  1. 1. the last stage in which chromosomes move in opposite directions so the cell can divide
  2. 2. cells the cells in an organism that are different from the X or Y chromosome
  3. 3. the region of a chromosome to which the microtubules of the spindle attach
  4. 4. a disease in which some body cells grow uncontrollably damaging the parts of the body around them
  5. 5. when portions of homologous chromosomes are exchanged in prophase one
  6. 7. a haploid cell such as sperm or egg cells
  7. 8. the stage in which the nucleus dissolves and the chromosomes condense and move together
  8. 10. a cell that contains two sets of chromosomes
  9. 11. furrow the process of cytokinesis in animal cells characterized by pinching of plasma membrane
  10. 12. the stage in which the chromosomes move from the center to the opposite ends of the cell
  11. 14. fanlike microtubule structure that helps separate the chromosomes during mitosis
  12. 16. a cellular structure carrying genetic material found in the nucleus of Eukaryotic cells
  13. 17. the stage in which the cell grows, replicates its DNA and prepares for cell division