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Tag Archives: cat genetics

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Can leopards change their spots?

PoC avatarPosted on February 22, 2021 by Michael BroadFebruary 22, 2021

No, an individual leopard can’t change their spots once they are fully developed. But the background colour varies considerably across the cats huge distribution. And leopard markings are, in fact, dark spots to rosettes which vary in ‘size, shape, thickness … Continue reading →

Posted in leopard | Tagged amur leopard, cat coats, cat genetics, common leopard, genetics, leopard

American Curl should never have been created. Reasons.

PoC avatarPosted on February 19, 2021 by Michael BroadFebruary 19, 2021

The reason why the American Curl should never have been created is because this is a standard cat in all respects except for the ears which are less attractive than normal ears and in terms of feline anatomy they are … Continue reading →

Posted in American Curl | Tagged abnormal cat breeds, american curl, American Curl Cat, cat breeds, cat fancy, cat genetics, genetic mutation | Leave a reply

Colour changes in the eyes of an odd-eyed white cat

PoC avatarPosted on February 11, 2021 by Michael BroadFebruary 11, 2021

Ivory is a 10 year old, white, domestic shorthaired cat with odd-eye colour. Her right eye is gold coloured and her left eye is yellow-green coloured. Her owner, Gabriela Carvalho, 28, a nursing student, adopted Ivory from the same rescue … Continue reading →

Posted in cat eyes | Tagged blue eyes, cat anatomy, Cat Eye Color, cat eyes, cat genetics, Deafness in Cats, dominant white gene, odd-eye color, pigmentation, white cat | Leave a reply

What is eumelanin in cats?

PoC avatarPosted on November 24, 2020 by Michael BroadNovember 24, 2020

Eumelanin is a pigment in domestic cats and other animals (and humans). It is often referred to as melanin but in fact there are three different types of melanin: eumelanin, pheomelanin and neuromelanin. The two that concern me in this … Continue reading →

Posted in pigmentation | Tagged cat coats, cat genetics, eumelanin, tabby

Why are Maine Coons polydactyl?

PoC avatarPosted on November 8, 2020 by Michael BroadNovember 8, 2020

Not all Maine Coons are polydactyl. The simple answer as to why Maine Coon cats have a tendency to have more than the usual number of toes is because they originate in cats from England who were polydactyl and which … Continue reading →

Posted in key appearance characteristics | Tagged cat anatomy, cat genetics, genetic mutation, maine coon appearance, maine coon cat, polydactyl cat, polydactyl cats | Leave a reply

White Maine Coon and heterochromia iridum

PoC avatarPosted on November 1, 2020 by Michael BroadNovember 1, 2020

This is a photograph of an all-white Maine Coon cat with heterochromia iridum. In layperson’s language, this beautiful cat has odd-eye colour. And it is a classic case of odd-eye colour because one eye is yellow-gold and the other is … Continue reading →

Posted in cat eyes | Tagged cat anatomy, cat genetics, genetics, heterochromia iridium, maine coon, odd-eye color | Leave a reply

European wildcat in western Switzerland threatened by mating with domestic cats

PoC avatarPosted on September 30, 2020 by Michael BroadSeptember 30, 2020

We know that the Scottish wildcat is either extinct in the wild in Scotland or very nearly so because of long-term hybridisation with domestic and feral cats. These two species i.e. the wildcat and the domestic cat readily mate. It … Continue reading →

Posted in Wildcat | Tagged cat genetics, DNA, european wildcat, european wildcat conservation and threats, genetics, Hybrid Cats, hybridization, switzerland | Leave a reply

What causes the range of eye colors in cats?

PoC avatarPosted on September 23, 2020 by Michael BroadSeptember 23, 2020

The total amount of melanin (pigment) in the iris of the eye determines the range of eye colours in cats and in humans. The same principles apply to all animals with a similar eye anatomy. The pigment ‘melanin’ is produced … Continue reading →

Posted in cat eyes | Tagged blue eyes, cat anatomy, cat eyes, cat genetics, dominant white gene, genes, inheritance, piebald gene, white spotting gene | Leave a reply

Average life expectancy of a Siamese cat

PoC avatarPosted on August 23, 2020 by Michael BroadAugust 23, 2020

As this is an imprecise science I don’t believe that you can provide a confident answer to a question about the life expectancy of a Siamese cat. However, there are clear indications that the Siamese cat’s life expectancy is shorter … Continue reading →

Posted in Siamese | Tagged cat genetics, inherited illnesses, Modern Siamese Cats, selective breeding, siamese cat, Siamese Cat Breeders, siamese cat health problems | Leave a reply

When do kittens’ eyes change colour?

PoC avatarPosted on August 11, 2020 by Michael BroadAugust 11, 2020

There is physics behind the answer to the question, which may displease some readers and I’ll understand why! By six or seven weeks of age a kitten’s eyes begin to change colour from blue to the colour that their genes … Continue reading →

Posted in eyes | Tagged blue eyes, cat anatomy, Cat Eye Color, cat eyes, cat genetics, Kitten Development, kittens, odd-eye color | Leave a reply

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