What the heck is a Morkie? That's a new one on me....what will they come up with next.
Hi Amy!
What Mona said. This trend towards picking two breeds, giving them a cute name, then overcharging like crazy is a really awful trend, and very sad because so many equally cute deserving dogs get killed every day in shelters because nobody wants them.
Many of these very same cute mixes can be found in shelters, rescues, on Petfinder, etc.
Here's a link to Petfinder so you can search in your area:
http://www.petfinder.org/
Also...a thought. There must be a Yorkie rescue (search the net) you can contact. They may have some great info for you, may even know of whatever this particular mix is.
Good luck and please don't give any money to someone breeding designer breeds!