Transcriptional units (expression cassettes) sharing the same backbone should be able to produce the encoded protein without having to create a separate backbone for each TU.
Please import the attached genetic circuit model (Sc2_subcircuit) into SBOLCanvas to reproduce the issue.
Sc2_subcircuit (2).xml

Transcriptional units (expression cassettes) sharing the same backbone should be able to produce the encoded protein without having to create a separate backbone for each TU.
Please import the attached genetic circuit model (Sc2_subcircuit) into SBOLCanvas to reproduce the issue.
Sc2_subcircuit (2).xml