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Biology, 16.07.2019 08:20 Dragonskeld

Crossing over occurs when a- sister chromatids are pulled apart at the centromere during anaphase ii b- homologous chromosomes join together to form tetrads during prophase i c- chromosomes are grouped together into new nuclei during telophase ii d- tetrads of homologous chromosomes randomly line up in metaphase i

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