chromosomes condense. They arrange themselves into homologous pairs. Crossing over occours. the centrioles start to move to opp. ends of cells and there is the formation of spindle, Nuclear envelope breakdown/
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what happens in metaphase 1?
homologous pairs line up in centre of cell and attach to spindle by centromeres.
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what happens in anaphase 1?
spindles contract and homologous pairs sepeterate. One chromosome goes to each end of cell
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what happens in telephase 1?
nuclear envelope forms around each group of chromosomes
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