Reptile Morph & Gene Library — Inheritance, Zygosities and Descriptions

Example: Boa Constrictors (Motley Morph) Incomplete Dominant (Co-Dominant) – One copy alters the pattern, while two copies (super form) create a more extreme Motley look. In boas, Motley creates a connected or reduced saddle pattern along the back.

Co-Dominant: One copy is visibly expressed. Two copies produce a distinct "super" form, which differs from gene to gene — see the individual gene for what its super looks like.

Elongated dorsal markings; belly pattern reduced

Recessive: Requires two copies to express