Point mutations within the eed gene that are responsible for severe embryonic development abnormalities abolished the transcriptional repressor activity of Eed .
point mutations within the eed gene that are responsible for severe embryonic development abnormalities abolished the transcriptional repressor activity of eed .
O O O O O O O O O O O B-other_name I-other_name I-other_name O O B-protein_family_or_group I-protein_family_or_group O O B-protein_molecule O