Which part of the nervous system is outside the brain and spinal cord?

Which part of the nervous system is outside the brain and spinal cord?

[Peripheral  nervous system ]

Which part of the nervous system includes the brain and spinal cord?

[Central  nervous system]

Explanation:

I did this on my online classes and got it right.

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

hope this : )