Q. The best definition of the process of gastrulation is that it is a process where the
A) Single layered blastula become two layered
B) Archenteron is formed
C) Zygote gets converted into larva
D) Cells move to occupy their definite position
Explanation
Gastrulation is the formation of gastrula from blastula. It is that phase of embryonic development during which the cells of blastula move in small mass to attain the final location. Such movement of cells is called morphogenetic movement.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.