The brain and spinal cord develop from the

interphase   is the cell cycle stage in which the cell acquires nutrients, creates and uses proteins and other molecules and starts the process of cell division by replicating the dna. it is the longest stage in the eukaryote cell cycle.

the following   can go wrong during interphase:   a base pair could be mismatched during the duplication process causing a mutation.   correct answer: c

explanation:

answer; i believe the answer is (polygenic inheritance;

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

synapse nervous system