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Prophase I
the nuclear envelope breaks down; genetic material is exchanged through crossing over
Prophase II
a new spindle forms around the chromosomes
Metaphase II
Chromosomes line up at the equator
Metaphase I
Pairs of homologous chromosomes line up at the equator
Anaphase I
Chromatids remain attached at their centromeres as the spindle fibers move the homologous chromosomes to opposite poles of the cell
Anaphase II
Centromeres divide enabling the chromatids now called chromosomes, to move to opposite poles of the cell
Telophase I
Chromosomes gather at the poles the cytoplasm divides
Telophase II
A nuclear envelope forms around each set of chromosomes, the spindle breaks down, and the cytoplasm divides, resulting in four haploid cells