In all Prometheus Lab experiments, there is the possibility of contamination through the undesired introduction of impurities like chemical, microbial or physical matter... sometimes I bring a beer in with me and spill a little whilst splicing creatures together
When this happens, the resulting Abomination must be disposed of immediately in the CDU, otherwise fuck-knows what might happen.
[Artwork by Andreas Ivan and made available to all holders of an Abomination with the Smoochie trait on the day it was retired from the Lab]