In the rare hybrids that continue to express Ig , all other tested B lymphocyte-specific genes also remain active .
in the rare hybrids that continue to express ig , all other tested b lymphocyte-specific genes also remain active .
O O O O 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