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

Chromosome behaviour in mitosis — practice question

A student observed the cells in the growing region (meristem) of an onion root and recorded the data shown below. What percentage of cells contain chromosomes that appear as two chromatids?

  • A97.5%
  • B95.9%
  • C8.9%
  • D7.3%

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