Secrets of Early Animal Evolution Revealed by Chromosome ‘Tectonics’

Chromosomes, the bundles of DNA that star in the mitotic ballet of cell division, play a leading role in complex life. But the question of how chromosomes came to exist and evolve has long been discouragingly hard to answer. This is due partly to the lack of chromosome-level genomic information and partly to the suspicion that eons of evolutionary change have washed away any clues about that…

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