Assertion: chordate's notochord | /r/CapableOf | evolve novo
Facets:
value: in chordates
type: LOCATION
Source sentences:
text: They point out that, although many of these ideas have not been well supported by advances in molecular phylogenetics and developmental genetics, two of them have actually been revived under the stimulus of modern molecular approaches (the first proposes that the notochord evolved de novo in chordates, and the second derives it from a homologous structure, the axochord, that was present in annelid-like ancestors of the chordates).