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Studies have found the prevalence of heightened IGF-1 levels in cats with diabetes mellitus to range between 17.8% 27.3%. [5] [1] According to Claudia Reusch, a professor at the University of Zurich, the prevalence of hypersomatotropism in diabetic cats is 10-15%, in cases that are hard to regulate it rises to 30% or higher. [1]
Cats homozygous and heterozygous for this gene display shortened and kinked tails. Cats homozygous for the gene tend to have shorter, more kinked tails. [2] This can be distinguished phenotypically from the Manx cat mutation by the presence of kinking in the tail, often forming what looks like a knot at the distal end of the tail.
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 ]
Optical mapping [1] is a technique for constructing ordered, genome-wide, high-resolution restriction maps from single, stained molecules of DNA, called "optical maps". By mapping the location of restriction enzyme sites along the unknown DNA of an organism, the spectrum of resulting DNA fragments collectively serves as a unique "fingerprint" or "barcode" for that sequence.
A squitten with foreleg micromelia sitting in upright posture, showing short forelimbs. The term squitten is generally used to refer to cats with the condition radial hypoplasia (underdeveloped radius bones) or foreleg micromelia (small forelegs) and related conditions known as radial aplasia (absent radius bones), radial agenesis (failure of radius bones to form) that produces stunted forelegs.
[2] [4] [6] [7] The syndrome usually appears in cats after they've reached maturity, with most cases first arising in cats between one and five years old. [1] [2] [4] The condition is most commonly identified by frantic scratching, biting or grooming of the lumbar area, generally at the base of the tail, and a rippling or rolling of the dorsal ...
The Munchkin is a breed of cat characterized by its very short legs, which are caused by a genetic mutation.Compared to many other cat breeds, it is a relatively new breed, documented since 1940s [1] and officially recognized in 1991. [2]
Both neoteny and progenesis result in paedomorphism [8] (as having the form typical of children) or paedomorphosis [9] (changing towards forms typical of children), a type of heterochrony. [10] It is the retention in adults of traits previously seen only in the young.