Meh, amateur. Didn’t check the PCR reaction on a gel first. Also didn’t add DNA ligase.
Ah, you cloned the wrong resistance gene again...
I fondly remember my times cloning vectors... Not. My favourite was a multistep cloning and digesting protocol that I meticulously planned. It obviously failed numerous times. I got it right on the first try just making blunt ends and hoping it goes in correctly.
Meh, amateur. Didn’t check the PCR reaction on a gel first. Also didn’t add DNA ligase.