Richtext: # Best In Slot(BIS)
Best in slot refers to a kitty that has a specific genetic trait at the lowest generation possible for that trait.
All genetic traits are derived from mutations of the original traits contained in generation 0 kitties auctioned by CK. M1 mutations(Level 1) range in probability from 1/4 for potentially pure pairs such as Amur X Jaguar = Henna to 1/2731 probability for Cyborg X Springcrocus = Ooze.
All M2 level mutations have a 14% probability.
All M3 and M4 level traits have a 7% chance.