Gastrulation is the stage of development
A) when neural tube formation is completed.
B) that makes possible the inductive interactions that trigger differentiation and organ formation.
C) that follows the formation of the three germ layers.
D) that precedes cleavage.
E) that is marked by a dramatic increase in the rate of mitosis.

Question

Quizplus · Accepted Answer

Gastrulation is the stage of development when inductive interactions occur between cells of different germ layers, triggering differentiation and organ formation. It follows the formation of the three germ layers (ectoderm, mesoderm, and endoderm) and precedes organogenesis.

Gastrulation Is the Stage of Development