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

Enchi

Co-Dominant

Cleaner pattern and enhanced orange tones

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

Endler Hybrid Patterns

Dominant

Bright, complex patterns from Endler crosses.

Dominant: Single gene sufficient to express

Comes in High Expression Low Expression
Species Lovebird

Fire

Co-Dominant

Lightens pattern; super form is Black-Eyed Leucistic

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

Flame / Stripe

Line bred colour trait

Contrasting color stripe/flame down dorsal (or along head/dorsum); body/legs may be base color.

Line bred colour trait: A line-bred color trait refers to a specific color characteristic in animals that is maintained or intensified through line breeding.

Comes in High Expression Low Expression Visual
Species Crested Gecko

Genetic Stripe

Recessive

Long dorsal stripe pattern mutation

Recessive: Requires two copies to express

Comes in 100% Het 50% Het 66% Het Visual
Species Ball Python

German Giant

Pogona vitticeps

Not written up yet.

Pogona vitticeps: Recessive

Species Bearded Dragon

GHI (Gotta Have It)

Co-Dominant

Very dark, bold patterning, intense contrast.

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

Gold

Pogona vitticeps

Not written up yet.

Pogona vitticeps: Recessive

Species Bearded Dragon

Golden

Recessive

Yellowish coat color

Recessive: Requires two copies to express

Comes in 100% Het 50% Het 66% Het Visual
Species African Grey Golden Hamster Lovebird Zebra Finch

Granite

Co-Dominant

Random speckling; a pattern enhancer in combos.

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 Carpet python

Grass

Dominant

Fine dot pattern on tail/fin.

Dominant: Single gene sufficient to express

Comes in High Expression Low Expression
Species Lovebird

Gravel

Co-Dominant

Yellow Belly complex allele; combos create Highway with YB

Yellow Belly complex allele interactions (Freeway/Highway combos)

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

Halfmoon

Polygenic

180-degree tail spread

Polygenic: Determined by multiple genes

Species Betta Fish

Halloween

Line bred colour trait

High contrast between black/dark tones and orange; minimal white; a specific color combo trait.

Line bred colour trait: A line-bred color trait refers to a specific color characteristic in animals that is maintained or intensified through line breeding.

Comes in High Expression Low Expression Visual
Species Crested Gecko

Harlequin

Line bred colour trait

Lots of pattern on dorsals, laterals, legs, high contrast; “extreme” means the pattern is very full, often connects along sides, etc.

Line bred colour trait: A line-bred color trait refers to a specific color characteristic in animals that is maintained or intensified through line breeding.

Comes in High Expression Low Expression Visual
Species Crested Gecko

Hurricane

Co-Dominant

Busy, swirly pattern, creates wild-looking combos.

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

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

Jaguar

Co-Dominant

Wobbly neuro mutation with banded or jagged patterning; reduces black pigment

This gene is also linked to neurological problems in some individuals, which can manifest as a "wobble" or other issues. Jaguar × Jaguar is not viable — the homozygous form is lethal.

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 Carpet python

Koi

Polygenic

Marbled multi-color cell layer pattern

Polygenic: Determined by multiple genes

Species Betta Fish

Lava

Recessive

Reduction of dark pigments; orange enhancement

Recessive: Requires two copies to express

Comes in 100% Het 50% Het 66% Het Visual
Species Corn Snake

Lavender

Recessive

Lavender/purple hue with lighter pattern

Recessive: Requires two copies to express

Comes in 100% Het 50% Het 66% Het Visual
Species Corn Snake Eastern Hognose Western Hognose

Lavender Albino

Recessive

Pale lavender/pink eyes variant of albinism

Recessive: Requires two copies to express

Comes in 100% Het 50% Het 66% Het Visual
Species Ball Python

Lavender Bars (Tiger)

Pogona vitticeps

Not written up yet.

Pogona vitticeps: Recessive

Species Bearded Dragon

Lavender Bars (Tigger)

Pogona vitticeps

Not written up yet.

Pogona vitticeps: Recessive

Species Bearded Dragon