Which of the following options describes the correct outer-to-inner sequence of tissue layers in a post-gastrulation vertebrate embryo?
A) endoderm → ectoderm → mesoderm
B) mesoderm → endoderm → ectoderm
C) ectoderm → mesoderm → endoderm
D) ectoderm → endoderm → mesoderm

Question

Quizplus · Accepted Answer

The correct sequence from outer to inner layers in a post-gastrulation vertebrate embryo is ectoderm (outermost), mesoderm (middle), and endoderm (innermost).

Which of the Following Options Describes the Correct Outer-To-Inner Sequence