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Science & Plants for Schools (SAPS)
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Staining a Root Tip and Calculating Its Mitotic Index
In this practical activity students stain root tips and examine them for signs of cells dividing by mitosis. Students can either compare two different sources of root tip or two different stains. The mitotic index is the fraction of cells in a microscope field which contain condensed chromosomes. This index can be calculated for each slide prepared
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