The formation of the endoderm during gastrulation in frogs results from
A) the movement of cells from the surface layer to the interior.
B) the migration of cells within the blastocoel.
C) the formation of columnar cells at the vegetal pole.
D) rapid cell division.
E) the migration of mesenchyme cells.

Question

Quizplus · Accepted Answer

During gastrulation in frogs, cells in the surface layer move towards the interior, forming the endoderm layer. This process is known as involution.

The Formation of the Endoderm During Gastrulation in Frogs Results