C
Below is a question with multiple-choice answers. Choose the correct option based on your reasoning.

### Question:
A certain disease of the spinal cord can be passed on from a dog to its offspring. This disease can result in the dog's muscles becoming weak, leading to paralysis. This is an example of

### Choices:
A. an infectious disease.
B. a respiratory disease.
C. an inherited disease.
D. an environmental disease.

### Answer:
