Genetics Picture

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Kinked tails

Kinked tails show themselves now and again on all cats in all breeds, even in domestic shorthair. It is a defect on the tail, very often on the outermost tip of the tail, which can vary a bit in type and in degree. Some kinked tails can be seen already on the newborn kitten, but they can also take as long as 1? years before it is shown. Before that the skeleton is not fully outgrown, and hence hereditary tail kinks might gradually evolve.

It is not known how kinked tails are inherited, but a single recessive gene or polygenes have been suggested. Probably there are different types of kinked tails, which also are inherited differently. A kinked tail might also be caused by an accident.