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Deafness can occur in white cats with yellow, green or blue irises, although it is mostly likely in white cats with blue irises. [4] In white cats with one blue eye and one eye of a different color (odd-eyed cats), deafness is more likely to affect the ear on the blue-eyed side. [1] Approximately 50% of white cats have one or two blue eyes. [5]
One of the polydactyl cats at the Ernest Hemingway House in Key West, Florida.This particular cat has seven (two extra) toes on each paw. A polydactyl cat is a cat with a congenital physical anomaly called polydactyly (also known as polydactylism or hyperdactyly), which causes the cat to be born with more than the usual number of toes on one or more of its paws.
A rare predominantly black cat with odd eyes. The odd-eyed colouring is caused when either the epistatic (recessive) white gene or dominant white (which masks any other colour genes and turns a cat completely solid white) [3] or the white spotting gene (which is the gene responsible for bicolour coats) [4] prevents melanin granules from reaching one eye during development, resulting in a cat ...
However, cats with this gene are also the basis for several intentionally selected breeds of dwarf cat. The Munchkin is the first created dwarf cat breed, which was used as a foundation stock for other “spin-off” breeds, such as the Minskin, Minuet or Napoleon, [1] Bambino, [1] Lambkin Dwarf, [1] Kinkalow, [1] Skookum, [1] Genetta, and ...
Why some people have a small hole in front of their upper ears. ... The condition can occur on one or both sides and was reportedly first documented in 1864. ... Celtics hold off Cavaliers 112-105 ...
The pupil is a hole located in the center of the iris of the eye that allows light to strike the retina. [1] It appears black because light rays entering the pupil are either absorbed by the tissues inside the eye directly, or absorbed after diffuse reflections within the eye that mostly miss exiting the narrow pupil.
Cat-eye syndrome (CES) or Schmid–Fraccaro syndrome is a rare condition caused by an abnormal extra chromosome, i.e. a small supernumerary marker chromosome. [2] This chromosome consists of the entire short arm and a small section of the long arm of chromosome 22 .
More than half of cats sleep between 12 and 18 hours a day, sometimes even more. Most cats sleep more as they age. [27] An alert cat at night, with pupils dilated and ears directed at a sound. Domestic cats seem to be comparatively flexible with regard to the times of day and night they are active or asleep. [28]