The answer would be synaptic pruning.
The brain in children will have a much more synaptic connection than adults. This connection is important for learning process in the early stage of life. More synaptic connections allow multiple parts the brain areas to be connected even if there is a damage in one area.
The synapse will be cut down later in a process called synaptic pruning. Only the area that frequently used will be preserved.
B or A is the answer
Explanation because i know this question before
Answer:
1. C
2. A
3. D
4. D (I think)
5. C
Explanation:
I knew some things, and I goo.gled some.

Actually Welcome to the Concept of the Biology
So the answer is,
Genetic Information is bundled into packages of DNA known as Chromosomes.