During human embryonic development, the formation of the primitive streak marks a crucial step. Which of the following statements regarding the primitive streak is INCORRECT?
It marks the beginning of gastrulation.
It defines the embryo's axes.
It is the source of mesoderm and endoderm.
It persists throughout development.
Related Questions
The process by which cells loose their specialisation is called
Differentiation
Undifferentiation
Dedifferentiation
Premitotic division
