It looks like an anchovy fillet but this ancient creature helps us understand how DNA works

Today a large international consortium of researchers published a complex but important study looking at how DNA works in animals. The research focused on a marine organism, a creature called amphioxus (also known as "the lancelet"), to explore some of the steps that took place as animals evolved from invertebrates (animals without a backbone) to more complex back-boned vertebrates, including us humans.

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