Answer:
Notch signaling
Explanation:
Notch signalling operates in many cell type at different stages during development. The notch signalling regulates cell fate, cell proliferation, cell differentiation and cell death. The notch cascade contains notch as well as notch ligands. It also contains intracellular protein which transmits the notch signal to the nucleus of the cell. It is important for the regulation of embryonic development.
It is most likely C, because a hybrid is a new species, which is one if a kind.
