Biology 9700 · AS & A Level · Chromosome behaviour in mitosis

Chromosome behaviour in mitosis — practice question

A sample of 500 cells undergoing mitosis was observed so that the mitotic stage of each cell could be identified. The table presents the findings. Which row is correct?

  • Anumber of cells with chromosomes at the equator of the cell: 225; number of cells with separated chromatids: 120
  • Bnumber of cells with chromosomes at the equator of the cell: 225; number of cells with separated chromatids: 345
  • Cnumber of cells with chromosomes at the equator of the cell: 380; number of cells with separated chromatids: 120
  • Dnumber of cells with chromosomes at the equator of the cell: 380; number of cells with separated chromatids: 345

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