Rex mutation

The rex mutation is a genetic variation in mammals that results in soft curly fur.

The rexed coats are unusual but occur (and have been preserved) in cats, rats, rabbits, horses, and dogs.

The mutations, infrequent and spontaneous, occur in a variety of genes and genetic regulatory structures.

The Tennessee Rex is a natural-mutation breed of cat dating back to 2004, discovered by Franklin Whittenburg.

[7] Of the three genetic sources of rex rabbits, the one due to the gene r1 is the most popular with fanciers and has the simple Mendelian inheritance pattern of autosomal recessive.

A deletion of a single nucleotide was found in LIPH (lipase member H gene) of rex rabbits.

This mutation results in a frameshift that causes the mRNA transcription machinery to sense the end of the gene prematurely.

Unlike with golden hamsters, the rex coat in Campbell's dwarfs is commonly very sparse and gives a bald appearance.