Russo Ball python

Co-dominant (incomplete dominant) morph

Inheritance: Co-dominant (incomplete dominant)
Super form: Super Russo
Allelic with: Butter, Lesser, Mojave, Mystic, Phantom
Also called: —

How Russo is inherited

Russo is co-dominant: one copy produces a visual Russo, and two copies produce the Super Russo. Breeding a Russo to a normal gives about 50% Russo babies.

New to these terms? See the genetics glossary.

Russo is allelic with Butter, Lesser, Mojave, Mystic, Phantom: they sit at the same spot on the chromosome, so an animal can carry at most two of them, and pairing them produces combination morphs.

BEL complex.

Breeding outcomes

Odds per egg. Try your own pairing in the genetics calculator.

Russo × Normal

50%Normal
50%Russo

Russo × Russo

50%Russo
25%Normal
25%Super Russo

Super Russo × Normal

100%Russo

Russo × Butter

25%Butter
25%Butter Russo
25%Normal
25%Russo

Russo × Lesser

25%Lesser
25%Lesser Russo
25%Normal
25%Russo

Russo × Mojave

25%Mojave
25%Mojave Russo
25%Normal
25%Russo

Open the ball python genetics calculator