Link Between Control Of Chromosome Duplication And Segregation Discovered

A dividing cell duplicates its chromosomes and its centrosome, an organelle that helps divide the two sets of chromosomes equally to daughter cells, just once. Extra centrosome copies can lead to incorrect distribution of chromosomes, genomic instability and cancer. Now scientists have identified the protein that controls the copying of the centrosome and prevents it from being re-duplicated.

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