基因转录:DNA—mRNA Template strand Coding strand ATGCGCCATGCCAGTTACGTACATGGA TACGCGGTACGGTCAATGCATCTACCT RNA sequence is TRANSCRIPTION complementary to template strand identical to coding strand UACGCGGUACGGUCAAUGCAUCUACCU RNA transcript The function of polymerase is to copy one strand of duplex dNa into RNA基因转录：DNA mRNA The function of polymerase is to copy one strand of duplex DNA into RNA