Biology 9700 · AS & A Level · Replication and division of nuclei and cells

Replication and division of nuclei and cells — practice question

Embryonic stem cells can keep dividing indefinitely. During successive mitotic cell cycles in embryonic stem cells, what occurs to the telomeres?

  • ATheir lengths increase.
  • BTheir lengths decrease.
  • CThey are completely lost.
  • DThey stay the same length.

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