28. Importance of mouse chromosomes examination –mutagenicity (genotoxicity) screening
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30. Chromosomal changes in two mouse cells after application of genotoxic agent. tetraploidy chromosomal breakage
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32. Mitosis in tumor cells Impairment of cell cycle regulation could result in the malignant transformation of normal cell. Tumor cells have usually high mitotic activity that leads to chromosomal defects (mainly changes of chromosome number).
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34. Switch off the microscope lamps an d return slides to boxes, please.
35. See you next week! Special staining of mouse chromosomes using such called in situ hybridization method.