Which of the following outcomes would most likely occur if gastrulation was blocked?
A) cleavage would not occur in the zygote
B) embryonic germ layers would not form
C) the blastula would not be formed
D) the blastopore would form above the gray crescent in the animal pole

Question

Quizplus · Accepted Answer

Gastrulation is the process during embryonic development that forms the three primary germ layers: ectoderm, mesoderm, and endoderm. If gastrulation were blocked, these embryonic germ layers would not form, leading to a failure in the development of the organs and tissues that derive from these layers.

Which of the Following Outcomes Would Most Likely Occur If