As such it serves as a good prototype for B cell-specific genes whose expression begins shortly after lineage commitment .
as such it serves as a good prototype for b cell-specific genes whose expression begins shortly after lineage commitment .
O O O O O O O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O O O O O B-other_name I-other_name O