Hehehe, you're right about that! So right... And there's even logic to it! The lab rat asked why he'd be branded instead of tattooed, and his scientist said that branding burns the skin permanently, and heals in stages, so if a clone were to try to copy it, he'd know it was fake.
Ummm... You know I had another dream about that science dream I had the other night? So apparently the scientist made this machine to collect lots of DNA from his lab rat and make clones and he needs a lot more than just a little, up to six ounces at a time because it needs to be spread over a specific pallet for the clone to be nearly identical but the lab rat thought he'd be mistaken for a clone when the time came to dispose of the clone so the scientist decided to sign his name and make a brand out of his signature and brand the lab rat on the back... and then when he finally succeeded in making a clone he entertained himself with his lab rat and the rat's clone...