based on the criteria of correct tissue- and stage-specific expression , transcription of an rna of appropriate size and abundance , and production of an sgs-3 protein , the correctly regulated expression of the sgs-3 gene requires less than 3.4 kb of total flanking sequences , approximately 2.3 kb 5 ' and 1.1 kb 3 ' .
C0040649
transcription
C0035668
rna