The mutation is present in Fy ( b- ) individuals , who have wild-type FY*B GATA and carry the previously described 304G --> A substitution .
the mutation is present in fy ( b- ) individuals , who have wild-type fy*b gata and carry the previously described 304g --> a substitution .
O O O O O B-multi_cell I-multi_cell I-multi_cell I-multi_cell I-multi_cell O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O B-nucleotide O B-nucleotide B-other_name O