Hepatitis B vaccine is a vaccine that prevents hepatitis B. It is mainly produced by yeast. The HB antigen producing gene is ligated to the plasmid to form a recombinant DNA. The recombinant DNA is inserted into the yeast cell.
Offsets are daughter plants that are genetically similar to the parent and are produced by sexual reproduction. Therefore, this is the correct option. Thus, the correct answer is option (D) mitotic division.