You may not be able to tell in veg, since they are both indica dom. But in flower you should be able to tell them apart by comparing them to pics, IF the they are legit.
there were to many cuttings and 3 domina were thrown in extra didnt want to start going through all the cuttings in the boot of my car but good point.now we have that out of the way do you know or just answer questions with more questions.