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Cats with the homozygous genotype (MM) die before birth, and stillborn kittens show gross abnormalities of the central nervous system. [3] Cats with the heterozygous genotype (Mm) show severely shortened tail length, ranging from taillessness to a partial, stumpy tail. [3] Some Manx cats die before 12 months old and exhibit skeletal and organ ...
Flat-chested kitten syndrome (FCKS) is a disorder in cats wherein kittens develop a compression of the thorax (chest/ribcage) caused by lung collapse. [citation needed] This is a soft-tissue problem and is not caused by vertebral or bony malformation.
In some breeds of cats congenital sensorineural deafness is very common, with most white cats (but not albinos) being affected, particularly if they also have blue eyes. [1] The gene responsible for this defect is the KIT gene and the disease is studied in the hope that it may shed light on the causes of hereditary deafness in humans. [8]
Its name is a French term ("cat-cry" or "call of the cat") referring to the characteristic cat-like cry of affected children (sound sample ). [2] It was first described by Jérôme Lejeune in 1963. [3] The condition affects an estimated 1 in 50,000 live births across all ethnicities and is more common in females by a 4:3 ratio. [4]
Cat eye syndrome; Caudal regression syndrome; Sotos syndrome Cerebral Gigantism; CHARGE syndrome; Chromosome 16 abnormalities; Chromosome 18 abnormalities; Chromosome 20 abnormalities; Chromosome 22 abnormalities; Cleft lip/palate; Cleidocranial dysostosis; Club foot; Congenital adrenal hyperplasia (CAH) Congenital central hypoventilation syndrome
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 completely deaf, solid white, blue-eyed cat This engraving depicts two cats on a wall, with a dog jumping and barking below them. The white-spotted cat hisses at the dog, the solid-white deaf cat dozes unaware of the barking. Congenital sensorineural deafness occurs commonly in domestic cats with a white coat.
Davis and Barry 1977 tested allele frequencies in domestic cats. Among the 265 cats observed, there were 101 males and 164 females. Only one cat was recorded to have the ectrodactyly abnormality, [28] illustrating this rare disease. According to M.P. Ferreira, a case of ectrodactyly was found in a two-month-old male mixed Terrier dog. [29]