The graph shows the percentage of dog breeds affected by elbow dysplasia, which causes dogs to limp. What's the most likely explanation for the mixed breed's disease incidence? It has low diversity in its genes. It has high diversity in its genes. It's good at saving human lives. It doesn't suffer attacks from wild predators. It lives comfortably with people.

Elbow dysplasia is an inherited developmental abnormality that affects the elbow joint of dogs. It is accepted that the offspring of a dog with the condition are likely to develop the condition themselves. Therefore, the likely answer is: ' It has low diversity in its genes'. Even though the dog is a mixed breed, it is possible that one or both parents carried the gene for a predisposition to elbow dysplasia.