Imagine that a researcher is studying a population of nerve cells known as the neural crest. In mice, when these cells fail to form or migrate properly during development, the cranial ganglia and their associated nerves appear small. As a result, these mice do not respond to strong odors, loud noises, and bitter-tasting food. The neural crest likely forms:
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neurons of the central nervous system.

interneurons of the peripheral nervous system.

glia of the central nervous system.

neurons and glia of the peripheral nervous system