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The diagram below shows a phenomenon which occurs during cell division.
BioSukPP1Q5

  1. What is the biological importance of the part labelled Z
  2. Which cell division does the above phenomenon occur?
  3. Name the organs in human beings in which the phenomenon occurs?

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  1. Non sister chromatids cross over and exchange genes; leading to genetic variation/recombination;
  2. Meiosis;
  3. Testes/ovaries;
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