the presence of fleas in its fur the color of its fur the ability to sit up and beg the habit of barking to go outside
I gave my students this multiple choice question: Which of the following traits of a dog is inherited from its parents?

Only one answer is correct among these 4 choices:
- the presence of fleas in its fur
- the color of its fur
- the ability to sit up and beg
- the habit of barking to go outside

Could you tell me which one is correct?

the color of its fur