What must happen before meiosis can begin?
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Before meiosis actually begins, the DNA that is packaged into chromosomes must be fully copied. Previous to replication, a germ cell contains two copies of each chromosome, a maternal copy, and a paternal copy. ... After replication, the homologues are doubled, and each chromosome now has a homologous pair.
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Before entering meiosis I, a cell must first go through interphase. This is the same interphase that occurs before mitosis. The cell grows, copies its chromosomes and prepares for division during the G 1start subscript, 1, end subscript phase, S phase, and G 2start subscript, 2, end subscript phase of interphase.
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