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BiologyBiology
15 March, 10:29

The stage of meiosis in which chromosomes pair and cross over is:

a. prophase i

b. metaphase i

c. prophase ii

d. metaphase ii

e. anaphase ii

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Answers (1)
  1. 15 March, 10:34
    0
    The answer here is Prophase 1 (A)

    In the event of meiosis, Prophase 1 occurs right after Interphase (stage when DNA is replicated). In the Prophase 1 stage, chromosomes condense and pair off and then exchange DNA between each other in a manner of crossing-over homologous chromosomes. The cross-over procedure forms a X-like region called Chiasmata that holds the homologous chromosomes intact.
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