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

Chromosome behaviour in mitosis — practice question

A student produced a diagram of two chromosomes at stage K in the mitotic cell cycle. Stage M is marked ‘no chromosomes were visible’. Which row indicates the possible events taking place in stages J, L and M?

  • AJ: spindle attachment; L: cytokinesis; M: DNA replication
  • BJ: chromosome condensation; L: spindle attachment; M: cytokinesis
  • CJ: DNA replication; L: chromosome condensation; M: spindle attachment
  • DJ: cytokinesis; L: DNA replication; M: chromosome condensation

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