Which of the following is common to the development of both birds and mammals?
A) holoblastic cleavage
B) epiblast and hypoblast
C) trophoblast
D) gray crescent

Question

Quizplus · Accepted Answer

Both birds and mammals share the developmental feature of forming an epiblast and a hypoblast during early embryogenesis. These two layers are crucial in the formation of the embryo and its surrounding structures.

Which of the Following Is Common to the Development of Both