Reptile Morph & Gene Library

Reptile Morph & Gene Library — Inheritance, Zygosities and Descriptions

Morph Library

Every gene on Breeders Direct — what it is, how it is inherited, and which species carry it

Hypo

Recessive

The Hypo (Hypomelanistic) gene is found in various animal species and reduces the amount of black (melanin) pigment, resulting in a lighter or washed-out appearance. It does not eliminate black pigment completely like albinism but creates a more muted colour.

Recessive: Requires two copies to express

Comes in 100% Het 50% Het 66% Het Visual
Species Ball Python Bearded Dragon Boa Constrictor Carpet python Corn Snake Crested Gecko Eastern Hognose Koi Leopard Gecko Lovebird Parrot (Macaw) Western Hognose

Phantom

Recessive

A hypomelanistic variant that results in a faded, grayish, or pastel look.

Recessive: Requires two copies to express

Comes in 100% Het 50% Het 66% Het Visual
Species Ball Python Corn Snake Leopard Gecko

Sunburst

Co-Dominant

Combination of hypomelanism and albino, leading to vibrant yellow or orange colors.

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.

Comes in Super Visual
Species Ball Python Corn Snake Eastern Hognose Western Hognose