[Campbell Biology P.1102] Based on Figure 47.12, which cell layer directly gives rise to the ... | Practice Question

Based on Figure 47.12, which cell layer directly gives rise to the yolk sac?

  • A: Epiblast
  • B: Hypoblast
  • C: Trophoblast
  • D: Inner cell mass

Explanation

Figure 47.12, specifically the label for the yolk sac in stage 2, explicitly states 'Yolk sac from hypoblast ', indicating its direct origin.