Organisms Benefit from Having Homologous Pairs of Chromosomes Because

Organisms benefit from having homologous pairs of chromosomes because

A) if a mutation occurs, only the functional copy will be passed on to offspring.
B) a deleterious allele can be masked by the presence of a functional copy.
C) possessing two copies of chromosomes enables cells to more easily divide.
D) genetic variation is introduced into gametes through independent assortment.