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DNA coils into chromosomes, the nucleolus and nuclear envelope disappear, the mitotic spindle forms, and synapsis (crossing-over) occurs.
Tetrads line up randomly along the midline, spindle fibers attach to the centromere of each homologous chromosome.
Spindle fibers form and begin to move the chromosomes toward the midline of the dividing cell.
Chromosomes move to the midline of the dividing cell, facing opposite poles of the dividing cell
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