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mrumi · feline care & commerce

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Genetics

Cat genetics

DNA tests, hereditary disease, reproduction.

5 articles38 min of knowledge

A cat's colour, its inherited diseases and what a pedigree actually certifies can all be read from DNA today. Cat genetics is simpler than it looks — right up until someone starts selling myths on top of it. And plenty are sold.

Four cats side by side: a mackerel tabby, a classic tabby, a spotted tabby and a ticked Abyssinian
Genetics

What tabby pattern does my cat have? Four patterns and the genes that draw them

9 min · August 7, 2026

A long-haired Maine Coon, a naked Sphynx and a curly Devon Rex sitting side by side — three extreme variants of the same hair coat
Genetics

Cat Fur Under the Microscope — Coat Anatomy and Genetics, from Hair Length to Naked Sphynxes

7 min · August 2, 2026

A silver tabby beside a red-golden tabby in a window — two opposite settings of the very same pigment mechanism
Genetics

Silver, Gold and “Sunshine” — the Genetics of Warm and Cool Cat Coats

7 min · August 1, 2026

A tabby domestic cat purring with closed eyes, nestled against its owner — the behavioural effect of an androgen receptor gene variant that arose during domestication
Genetics

Your Cat Has a Gene No Wild Cat Has. How Domestication Rewired Feline Speech

9 min · July 24, 2026

A tortoiseshell cat with a ginger-and-black coat lying on a cream blanket in warm, natural light
Genetics

Where Cat Colors Come From — the Coat Genetics Science Only Recently Cracked

6 min · June 30, 2026