The importance of many of these genes relates to the role their transcription factor products play in dictating patterns of expression of downstream , function-related genes .
the importance of many of these genes relates to the role their transcription factor products play in dictating patterns of expression of downstream , function-related genes .
O O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O O O O O O B-DNA_family_or_group I-DNA_family_or_group O