he diagram below shows a phenomenon which occurs during cell division.

Question

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

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?

Answer 1

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