Which regions of the cns does the parasympathetic division of the ans arise from? check all that apply.

the cell cycle is the final answer! : )

not sure if this what   you'r looking for would be percent composition

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).