<prompt> A newborn baby has severe facial abnormalities, as shown below. What could be the underlying CNS abnormality in this baby?LissencephalyDandy walker malformationHoloprosencephalyIniencephaly  <response>: c. HoloprosencephalySingle eye cyclopia with a tubular-shaped nose proboscis, are usually seen in a child with Holoprosencephaly 