moon knight
Matt7895's alt
Edit: The female from Andromeda explains that during the 600 year cryo sleep the natural mutation in Krogan that fights genophage (topic of Mordin's loyalty mission in ME2) was somehow enhanced or something. This would give them 1 in 25 viable births instead of 1 in 1000.
So fucking lame. If they are cryo-sleeping, it means that cells are in stasis. DNA cannot mutate, otherwise they will also grow old.