What aspect of the Yorkipoo being an unregulated designer crossbreed demands flexibility from the owner?

Answer

The resulting adult dog can look and act significantly differently from one dog to the next.

Since the Yorkipoo is unregulated, there are no breed standards, meaning the resulting adult dog—in terms of coat texture, snout length, body build, and exact temperament—can look and act significantly differently.

What aspect of the Yorkipoo being an unregulated designer crossbreed demands flexibility from the owner?
problemDogcarebreedYorkipoo