[ Wow Newt excuse you you're talking to one. Even though this is through audio so honestly for all he knows Yzak could have lizard eyes and a mutated tail. ]

I mean genetically enhanced. You know, stronger and faster, able to learn things easier and at a quicker rate. We don't really get affected by most diseases, either.

[ "We" he says. And of course there are some exceptions to all of those things - he remembers how weird it was that a comrade of his caught some kind of cold once - weird enough that it was the ~talk~ amongst the cadets, anyway. ]

If you're asking about the process, I'm not a scientist so don't have those kinds of details. All first generation Coordinators were born with those genes due to said modifications happening within the earliest embryotic stages. Us second generations were born inheriting those genes without the need for that.