this is just a guess, i'm not way into carpets....
jaguar *i think* is recessive, jag sibs are hets for jag. apparently many jags and jag sibs have built in nuero issues, such as the jag sib i have. at first glance, mine seems to be in death throes, but he eats vigorously, just has a hard time with coordination and body control.
why are you asking?