[Campbell Biology P.1107] According to the fate map of a frog embryo Figure 47.18a , from whi... | Practice Question

According to the fate map of a frog embryo Figure 47.18a , from which primary germ layer does the notochord primarily develop?

  • A: Epidermis
  • B: Endoderm
  • C: Mesoderm
  • D: Central nervous system

Explanation

Figure 47.18a clearly shows the notochord originating from the mesoderm region in the blastula stage, which then contributes to the formation of the neural tube stage structures.