A rare genetic disorder involves impaired migration and differentiation of cells originating from the neural crest. Which of the following structures would most likely be affected in this patient?

The correct answer to the question "A rare genetic disorder involves impaired migration and differentiation of cells originating from the neural crest. Which of the following structures would most likely be affected in this patient?" is Option C: Adrenal medulla chromaffin cells.

The other options — A) Spinal cord neurons, B) Skeletal muscle of the limbs, D) Renal tubules — are incorrect for this USMLE Exam Prep question. As explained above: The adrenal medulla, responsible for producing catecholamines, is derived from neural crest cells. Other neural crest derivatives include melanocytes, Schwann cells, dorsal root ganglia, and parts of…