Humans often breed plants and animals to reproduce certain characteristics. Dog breeding is much like this where humans breed certain dogs in order to get a dog with specific types of fur/hair, color, or other physical phenotypes. This is an example of:

It is an example of Artificial or selective breeding

Explanation:

This is because Artificial breeding is a type of breeding where humans use breeding if plants or animals that is sexual reproduction of animals in other to get some desired traits or characteristics from their offsprings. Examples of such traits can be color, hair, or other physical phenotypes. From the question, humans do breed two different species of dogs together based on the type of traits they want to develop in their offsprings.

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