A Mutation Causes Difficulty in the Separation of Sister Chromatids

Multiple Choice

A mutation causes difficulty in the separation of sister chromatids during mitosis.Based on what you have read, the most likely cause of this phenomenon is that

A) the histones are too positively charged.
B) the histones are not sufficiently positively charged.
C) cyclin levels are inappropriate.
D) there is a defect in the spindle apparatus.
E) there is a defect in the cell wall.