A human, an octopus, and a coral could hardly look more different—yet deep inside their cells, their chromosomes still carry recognizable pieces of a genome inherited from an animal ancestor that lived more than 600 million years ago. Since then, their chromo…
A human, an octopus, and a coral could hardly look more differentyet deep inside their cells, their chromosomes still carry recognizable pieces of a genome inherited from an animal ancestor that live… [+5498 chars]