Lock & Lay

Recessive ball python gene

Hypo Ball Python: Genetics and Pairing Odds

Hypo is a recessive gene. A ball python needs two copies to look Hypo; with one copy it looks normal and is called het Hypo. Pair two hets and about a quarter of the babies are visual Hypo, while the normal-looking siblings are each 66% likely to be het. Breed a visual to a normal and every baby is het, which is how most Hypo projects start.

What Hypo pairings produce

PairingBabies, per egg
Hypo × Normal100% Normal het Hypo
Het Hypo × Het Hypo75% Normal 66% het Hypo25% Hypo
Hypo × Het Hypo50% Hypo50% Normal het Hypo
Hypo × Hypo100% Hypo
Het Hypo × Normal100% Normal 50% het Hypo

Try Hypo pairings yourself

Put any two animals into the ball python morph calculator for the full odds, hets and supers included. Or breed Hypo ball pythons in Lock and Lay, a free ball python game where every clutch follows these same odds and the babies sell on a live market.

Play Lock and Lay free

Other recessive genes

PuzzleCrypticEnhancerDesert GhostTri-StripeLavender AlbinoGenetic BandedMonarchPiebaldCandySaharaBlack Axanthic