Creating a basic ab + a'c circuit on a breadboard, how are the inputs placed?
If, as you commented: "I actually designed the circuit using 1 or, not, and gates each.", then your lineup is wrong and should be:\$\ \$ two ANDs, one NOT, and one OR, and your logic should look like this:



I don't know what you're trying to imply with your breadboard example, but in the real world it should look something like this: