Atlas/Morphs/The pattern behind the pattern.
MORPHS / THE KEEPER’S LIBRARY

The pattern behind the pattern.

A visual introduction to genetic terms used in morph records.

Two copies, one starting point

A simple recessive example uses two copies of a gene. In the teaching example below, A represents one version and a represents a recessive version.

Adult female leopard gecko
SPECIES & HABITAT REFERENCE / LIZARDIST ATLAS

Read a pairing

For Aa × Aa, the possible combinations are AA, Aa, Aa and aa. The model gives probabilities for each offspring, not a guarantee about the contents of any one clutch.

AA

Aa

Aa

aa

Simple Mendelian model · Each square represents a 25% probability.

Names need context

A trade name, a visual description and a documented genetic trait do not always mean the same thing. Read the record and ask for lineage information.

Common questions

Where should I start if I’m new to this species?

Begin with the species hub and work through its care topics before choosing equipment or making a feeding plan.

How do I keep useful care records?

Use a dated notebook or simple log for food, activity, equipment changes and questions you want to ask your reptile veterinarian.

Editorial draft. Topic references and review details are being prepared.

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KEEP FOLLOWING THE TRAIL.