Although mutation occurs specifically in B cells during the germinal center reaction , it remains a matter of debate whether the mutation machinery also targets non- Ig genes .
although mutation occurs specifically in b cells during the germinal center reaction , it remains a matter of debate whether the mutation machinery also targets non- ig genes .
O O O O O B-cell_type I-cell_type O O O O O O O O O O O O O O B-other_name I-other_name O O B-DNA_family_or_group B-DNA_family_or_group I-DNA_family_or_group O