What is the messenger rna strand that would be made during transcription of this strand of dna? t-a-c-c-c-c-g-a-g

A-U-G-G-G-G-C-U-C this is the answer

You should never redesign your experiment. try and see what in your experiment you made a mistake on or try and test your experimemt with somebody else. see if they get the right results.