MakingMetaphaseSpread

Materials:Colcemid (GIBCO: cat #: 15210-040)Hypotonic solution (pre-warmed 37C): 1:1 0.4% KCl + 0.4% Sodium citrateFixative: 3:1 MeOH + Acetic acid (e.g., 15 mL MeOH + 5 mL Acetic acid)Pasteur transpipetProcedure:Grow and harvest cells:Grow cells to 85% confluenceAdd colcemid to cell culture at 10 µl/mLIncubate for 2 hours (depends on cell cycle: longer cycl......阅读全文

Making-Metaphase-Spread

Materials:Colcemid (GIBCO: cat #: 15210-040)Hypotonic solution (pre-warmed 37C):  1:1     0.4% KCl  +  0.4% Sodium citrateFixative:  3:1   MeOH + Acet

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