In Regard to the Chromosomes That Parents Pass on to Their

In regard to the chromosomes that parents pass on to their offspring, parents pass on:

A) exact copies of their chromosomes to their offspring.
B) exact copies of their chromosomes to their offspring, except when a mutation occurs in the offspring's genes.
C) chromosomes that are constituted differently than their own because of random shuffling and crossing over.
D) exact copies of their chromosomes to their offspring, but the genes are expressed differently because of patterns of dominance.