What's in a head? According to new research, a little bit of our ancestors' tails.
"Tunicates are like an evolutionary prototype for vertebrates,"
Their research has found Hmx genes, which encode for a pair of neurons in a tunicate tadpole's tail, are related to the genes that encode for clumps of neurons in a lamprey's head.Lampreys are considered 'living fossils' because they have been around for so long with little change to their species. These marine animals are some of the first vertebrates, and they look sort-of like eels.
France Dernières Nouvelles, France Actualités
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