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

Chromosome behaviour in mitosis — practice question

A nucleus contains a chromosome with a telomere made up of many repeats of the base sequence TTAGGG. The chromosome was taken from four different cells, and the total number of bases in the telomere was measured. Which total number of bases was obtained from the cell that had completed the greatest number of mitotic divisions?

  • A5548
  • B5580
  • C5645
  • D5700

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