Which statement is correct?
A. Pharyngeal clefts form internally between arches while pharyngeal pouches form externally.
B. Pharyngeal clefts form externally between arches while pharyngeal pouches form internally.
C. Pharyngeal Arch I grows over Pharyngeal Clefts I-IV, obliterating them.
D. The ear is formed across Pharyngeal Cleft II, intervening mesenchyme, and Pharyngeal Pouch I.
Ans: B. Pharyngeal clefts form externally between arches while pharyngeal pouches form internally.
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