Originally Posted by KadenJames
The difference between "PK" and "HMPK" is the 180 degree spread (halfmoon shape) of the caudal. PK x HMPK will give you PK, as you are reducing the amount of branching by crossing to a non-halfmoon PK. Sometimes, even HMPK x HMPK will give you PK, because some of the traits (adequate branching & webbing) can be recessive and may not give the offspring the proper spread.
Well that does make sense in a way. Duh... :D
HMPK was created by the selective combination of PK and HM; therefore, if crossing a HMPK back to a traditional PK. Well you just said it. It would create more PK than HMPK.