Which of the following best describes a crossbred rabbit?

A crossbred rabbit is best described as one that is produced by the mating of different breeds of rabbit. This definition emphasizes that crossbreeding involves the genetic mixing of distinct breed traits, which can lead to rabbits that exhibit a combination of characteristics from both parent breeds. Crossbred rabbits may display diverse appearances and temperaments, depending on the traits inherited from their respective breed lineage.

The other options aren't accurate in the context of defining a crossbred rabbit. Inbreeding refers to mating individuals within the same breed, which aims to preserve certain breed characteristics rather than mixing different ones. Being registered with a breed association pertains to purebred rabbits that meet specific criteria and demonstrates no mixing of genetic lines, which is contrary to the essence of a crossbred rabbit. Winning a competition does not define the breeding background of the rabbit and relates more to its performance rather than its genetic heritage. Therefore, the most fitting description of a crossbred rabbit is one resulting from the mating of different breeds.