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

Chromosome behaviour in mitosis — practice question

The graphs indicate several distance measurements recorded from metaphase of mitosis onwards. Each graph is drawn to scale relative to the others. Which row correctly matches each graph to its distance measurement?

  • AX: distance between poles of spindle; Y: distance between sister chromatids; Z: distance of centromeres from poles of spindle
  • BX: distance between poles of spindle; Y: distance of centromeres from poles of spindle; Z: distance between sister chromatids
  • CX: distance of centromeres from poles of spindle; Y: distance between poles of spindle; Z: distance between sister chromatids
  • DX: distance of centromeres from poles of spindle; Y: distance between sister chromatids; Z: distance between poles of spindle

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