Lock & Lay

Co-dominant ball python gene · super form: Super RAR

RAR Ball Python: Genetics and Pairing Odds

RAR is a co-dominant (incomplete dominant) gene. One copy gives the RAR look, and two copies make the Super RAR, a stronger version of it. Bred to a normal, a RAR gives about half RAR babies; a Super RAR gives RAR babies every time.

What RAR pairings produce

PairingBabies, per egg
RAR × Normal50% Normal50% RAR
RAR × RAR50% RAR25% Normal25% Super RAR
Super RAR × Normal100% RAR
Super RAR × RAR50% RAR50% Super RAR

Try RAR pairings yourself

Put any two animals into the ball python morph calculator for the full odds, hets and supers included. Or breed RAR 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.

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Other co-dominant genes

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