The Neural Tube of Vertebrates Develops During Morphogenesis of the Nervous

Multiple Choice

The neural tube of vertebrates develops during morphogenesis of the nervous system by the

A) folding of ectoderm tissue.
B) migration of mesoderm cells.
C) fusion of ectoderm and mesoderm.
D) contraction of the endoderm away from the mesoderm.
E) extension of endoderm into a thin spinal column.