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)fertilization would be blocked.
D)the blastula would not be formed.
E)internal fertilization could not occur.

Question

Quizplus · Accepted Answer

Gastrulation is the process by which embryonic germ layers (ectoderm, mesoderm, endoderm) are formed. If gastrulation is blocked, embryonic germ layers would not form.

If Gastrulation Was Blocked by an Environmental Toxin,then