Most recent public comments by Emily Frey https://nowcomment.com/users/51688 https://nowcomment.com/documents/130446?scroll_to=1264687 https://nowcomment.com/documents/130446?scroll_to=1264687 After reading the article, I believe that all breeds of dogs are apart of the same species. Yes, there are very clear physical differences between breeds, but it's been proven that a large portion of this size variation is due to only one gene. With this, dogs are still extremely similar genetically, the individual breeds just differ physically. Wed, 20 Feb 2019 11:50:10 -0800