Unequal genetic exchanges can generate duplications and deletions (chose the best answer) Select one: O A. Both a duplication and a deletion can be created by the same event O B. Deletions never involve coding sequences O C. Deletions are typically advantageous because they reduce the size of chromosomes O D. Duplications never involve coding sequences O E. A deletion on one chromosome is always associated with a duplication on the homologous chromosome