If gastrulation was blocked by an environmental toxin, then ________.
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 grey crescent in the animal pole

Question

Quizplus · Accepted Answer

Gastrulation is the process in which the embryonic germ layers (endoderm, mesoderm, and ectoderm) are formed. If gastrulation is blocked, these germ layers would not form, leading to abnormal or incomplete development of the embryo.

If Gastrulation Was Blocked by an Environmental Toxin, Then ________