An infant is born with a nervous system that does not include a forebrain. This is due to the failure of anterior neural fold defects and is an example of
A) spina bifida.
B) anencephaly.
C) Down syndrome.
D) Tay-Sachs disease.
E) None of the above

Question

Quizplus · Accepted Answer

Anencephaly is a severe neural tube defect that occurs when the anterior neural fold fails to close properly, resulting in the absence of the forebrain (prosencephalon) and other structures in the skull. Spina bifida, Down syndrome, and Tay-Sachs disease are not associated with this specific defect.

An Infant Is Born with a Nervous System That Does