PhysOrg Posted November 2, 2021 Share Posted November 2, 2021 Scientists have discovered that tiny 'microchromosomes' in birds and reptiles, initially thought to be specks of dust on the microscope slide, are linked to a spineless animal ancestor that lived 684 million years ago. They prove to be the building blocks of all animal genomes, but underwent "dizzying rearrangement" in mammals, including humans.View the full article Quote Link to comment Share on other sites More sharing options...
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