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Meiosis

AP Biology· difficulty 2/5

Synapsis (close pairing of homologous chromosomes) occurs during

  • A

    Metaphase II of meiosis

  • B

    Anaphase II of meiosis

  • C

    Prophase of mitotic division

  • D

    Prophase I of meiosis

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Explanation

During prophase I, homologous chromosomes pair tightly, forming tetrads (bivalents) where crossing over occurs.

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