The Neural Tube of Vertebrates Develops During Morphogenesis of the Nervous

question 18

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.