Originally Posted by: Dr_simonThe strain background is a double lethal knockout covered by a plasmid also containing an auxiotrophic marker that can be selected out enabling plasmid shuffling.

Let's break this down.

The strain background is a double lethal knockout

Obviously the "strain background" is a karate maneuver that will render your opponent doubly-dead

covered by a plasmid

Let's hope that company offers as good an insurance policy as they claim, now that you're up against the Strain Background!

containing an auxiotrophic marker

This is a good marker because it doesn't bleed through the page.

that can be selected out enabling plasmid shuffling.

You'd be surprised how many Vegas employees get "selected out" of a job due to this.