I believe the answer is B. BC/EF is in the same placement as well as the other letters in the answer.
The CNS is comprised of the brain, cerebellum and spinal cord. Remaining neurons, and related cells, dispensed all through the physique form the PNS. The worried gadget has three extensive functions: sensory input, data processing, and motor output.
Answer:
Point mutation: no change
chromosomal rearrangement: increase
nondisjunction: increase
Explanation: a point mutation only affects a single base pair, so it would not change the amount of dna. if calix had gained an extra allele because of chromosomal rearrangement, his cells would have more DNA. A nondisjunction mutation would cause Calix to have one more chromosome than normal. This would increase the amount of DNA in his cells.