Spina bifida is defined as:

a. a birth defect in which the child is born without spinal vertebrae.
b. congenital inflammation of the spinal cord, usually in the neck.
c. chronic pressure on the brain caused by excess cerebrospinal fluid.
d. a birth defect caused by incomplete closure of the spinal column.

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: