The region known as the primitive streak is the site of
A) migration of mesodermal cells to form the endoderm.
B) endoderm formation.
C) ectoderm formation.
D) migration of ectodermal cells to form the mesoderm.
E) amnion formation.

Question

Quizplus · Accepted Answer

The primitive streak is crucial during early embryonic development, serving as the site where ectodermal cells migrate inward to form the mesoderm, laying the foundation for the development of the body's middle layer of tissues and organs.

The Region Known as the Primitive Streak Is the Site