C. is correct.
A. This may seem accurate, it may even be empirically accurate, but it isn't because of independent assortment.
B. Same answer/reason as A.
C. Some alleles do influence multiple traits and inheritance patterns, however, *usually* they don't. This is the correct answer.
D. While this is true, it has nothing to do with the question of independent assortment.
E. Wrong because A and B are wrong.