visual female. Then get the male with the genes that you want to mix in. save the females from that clutch that have at least one of those genes for down the road. Pick the best male that you get. Ideally you get a male that got some of the sire's genes and breed him back to the visual female. Then you have the chance to hit visuals with the additional genes and you go from there. mixing in the first round of hets as they get up to size.