Which of the following processes result in the production of recombinants?
I. Crossing over between linked genes
II. Reassortment of non-linked genes
III. Mutation
AI only
BI and II only
CI and III only
DI, II and III
I. Crossing over between linked genes
II. Reassortment of non-linked genes
III. Mutation
AI only
BI and II only
CI and III only
DI, II and III