[Campbell Biology P.1104] What is the ultimate fate of the neural tube and notochord, accordi... | Practice Question

What is the ultimate fate of the neural tube and notochord, according to the provided text?

  • A: The neural tube forms the brain and spinal cord; the notochord persists as inner portions of the intervertebral discs.
  • B: The neural tube forms the brain and spinal cord; the notochord completely disappears before birth.
  • C: The neural tube forms the brain; the notochord forms the spinal cord.
  • D: The neural tube forms peripheral nerves; the notochord forms the brain.

Explanation

The text explicitly states that 'The neural tube will become the brain in the head and the spinal cord along the rest of the body' and that the 'notochord disappears before birth, although parts persist as the inner portions of the disks in the adult spine'.