Lock & Lay

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

GeneX Ball Python: Genetics and Pairing Odds

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

What GeneX pairings produce

PairingBabies, per egg
GeneX × Normal50% Normal50% GeneX
GeneX × GeneX50% GeneX25% Normal25% Super GeneX
Super GeneX × Normal100% GeneX
Super GeneX × GeneX50% GeneX50% Super GeneX

Try GeneX pairings yourself

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