selective breeding. sexual reproduction. crossbreeding. learned traits.
I gave my students this multiple choice question: Dalmatian dogs sometimes become deaf due to a recessive trait they may inherit. For this reason, some Dalmatian owners will not let their dogs have puppies if they are deaf. Allowing only Dalmatians that can hear to produce offspring is an example of

Only one answer is correct among these 4 choices:
- selective breeding.
- sexual reproduction.
- crossbreeding.
- learned traits.

Could you tell me which one is correct?

selective breeding.