\n\n humankind pitch forged a long friendship with our dogtooth violet companions, but the origin of the home(prenominal) dog still be quite a mystery.\n\nA study published in 2013 suggested that our modern dogs may have evolved from an extinct wolf species that were domestic by European hunter-gathitherrs more than 18,000 years ago. \n\nWhile this conclusion has significantly advanced the disputation over dog domestication, there are still almost competing theories virtually their geographical origin. For example, new(prenominal) findings have suggested that dogs could have been archetypal domesticated in mainland China or the Middle East.\n\nSo in hopes of finally solution this question once and for all, scientists from many institutions, including UCLA, are collaboratively building a large genetic database by collecting DNA samples from about 1,500 old and modern dogs-tooth violet bones all nearly the world.\n\nRead about the depend for where dogs came from at NY T imes.If you want to larn a full essay, fix up it on our website:
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