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During which stage of meiosis does crossing over occur? (1 point)
anaphase I
telophase I
prophase II
prophase I
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Prophase I.
During prophase I homologous chromosomes undergo synapsis and crossing over (exchange of genetic material at chiasmata), increasing genetic variation.
During prophase I homologous chromosomes undergo synapsis and crossing over (exchange of genetic material at chiasmata), increasing genetic variation.
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