Most of the cell death associated with early development of the brain is
A) necrotic.
B) passive.
C) apoptotic.
D) both A and B
E) both B and C
Question 2
Evidence suggests that many neurons die during development because
A) they are genetically programmed to die.
B) of their inability to compete successfully for their target's life-preserving chemicals.
C) of failures of regeneration.
D) both A and B
E) both B and C