Het

Hets are dragons that have a gen they don`t "show" but they can give it to theire babys like a het hypo means that the dragon itsself doesn`t show the hypo gene (by having clear nails) but the babys have a chance that they will

Hypo

are dragons that don`t have dark piggments and clear nails

Translucent

Translucents have a Translucent belly and usually black eyes they usually are most trans. after they hatch

Leatherback

Leatherbacks have reduced tubercles scales witch makes them smother then norms,there skin feels like leather

Silkback

the Silkback is the "superform" of the leatherback and has no scales at all witch makes it feel like silk 

Patternless

the patternless dragon has no pattern

Hypo Leatherback,Translucent Leatherback,Hypo Translucent,Hypo Translucent Leatherback

are Dragons that have some of the genetics listed on the top