The kittens produced by mating blue cats and ragdoll cats are genetically unstable and their characteristics are not very obvious. They need to be determined based on the genetic genes of ragdoll cats and blue cats. They may be long-haired blue cats or cow-colored blue cats. , cow cat, blue and white cat, three flower or puppet key color.

The cat that comes from a blue cat and a ragdoll cat may have the face of a blue cat and the hair and body shape of a ragdoll cat, or it may have the face of a ragdoll cat and the body shape and body of a blue cat, and the resulting kitten will have the body shape. and characteristics are inherited. ​​​​​​​ However, when a blue cat and a ragdoll cat are bred, genetic variation may occur to a large extent. The resulting kitten will neither look like a ragdoll cat nor a blue cat, and its appearance may be poor and its bloodline may not be pure. .