Reptiles have a neat little evolutionary trick to survive called Parthenogenesis. It is a form of asexual reproduction that does not need fertilization to occur.
Females can basically clone themselves and produce viable eggs that can hatch.
WOW...I did not know this. I looked it up and just WOW! Pretty cool.
~~~~~ROACH ~~~~~
1.0 Normal
1.1 Piebald
1.0 Banana
0.1 100% Het Piebald
1.1 Het Lavender Albino
1.0 Lesser
0.1 Killer Bee
0.1 Spider
1.1 Pastel
0.1 Butter Bee
1.1 Mojave
1.0 Black Pastel 100% Het Piebald
1.0 Fire
0.1 Pinstripe
0.1 Lesser Bee
0.1 Super Pastel
0.1 Cinnamon