One of the Drosophila sequences , ttk , is a developmental control gene , while a second does not contain a zinc finger region but encodes a structure important in oocyte development .
one of the drosophila sequences , ttk , is a developmental control gene , while a second does not contain a zinc finger region but encodes a structure important in oocyte development .
O O O B-DNA_domain_or_region I-DNA_domain_or_region O B-DNA_domain_or_region O O O B-DNA_family_or_group I-DNA_family_or_group I-DNA_family_or_group O O O O O O O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O O O O O O B-other_name I-other_name O