Not known Facts About dogs
https://www.facebook.com/ktkbullieselite/videos/988153363452742知乎,让每一次点击都充满意义 —— 欢迎来到知乎,发现问题背后的世界。In 2018, a study determined 429 genes that differed involving present day dogs and modern day wolves. Because the dissimilarities in these genes may be present in ancient Pet dog fossils