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Across 1. protein that regulates the cell cycle 3. structure that forms midway between divided nuclei in plants (2 words) 5. fan-like microtubule structures that help chromosomes separate 6. division of the cytoplasm during cell division 7. reduction division; process that forms 4 genetically different cells 9. refers to corresponding pairs of chromosomes from opposite sex parents 12. period of the cell cycle between cell divisions 14. as a cell increases in size, this increases very rapidly 16. a cell with "2n"chromosomes; somatic cells are this 17. a cell with "n" chromosomes; a gamete cell 18. phase of mitosis during which chromatids separate and move apart

Down 2. tiny organelles that help with mitosis in animals 3. process by which homologous chromosomes exchange genes (2 words) 4. final stage of mitosis where nuclear envelope reforms 6. area where chromatids are attached 8. one of two identical "sister" parts of a duplicated chromosome 10. structure containing four chromatids that forms during meiosis 11. phase in mitosis where chromosomes line up in the middle of the cell 13. phase of mitosis where chromosomes condense and first become visible 15. part of eukaryotic cell division during which the nucleus divides