Which feature characterizes nervous system development in humans?
A) The brain begins functioning just prior to birth.
B) The brain undergoes cycles of sleep and waking in the third trimester.
C) The brain begins its development during neurulation in the second trimester.
D) Brain development is not dependent on Hox gene expression.
E) It is only susceptible to disruption in the third trimester, when the brain is forming.

Question

Quizplus · Accepted Answer

The brain undergoes cycles of sleep and waking in the third trimester, indicating significant functional development even before birth. This is a well-documented phenomenon, showing the brain's early capability for basic processes related to sleep and wakefulness.

Which Feature Characterizes Nervous System Development in Humans