I want to know the answer to the following question:
When did the ancestors of the American Indians separate from their parent population?
All the background I'm provided with is that "Genetic studies of mitochondrial DNA (mtDNA) of Amerindians and some Siberian and Central Asian peoples also revealed that the gene pool of the Turkic-speaking peoples of Siberia such as Altaians, Khakas, Shors and Soyots, living between the Altai and Lake Baikal along the Sayan mountains, are genetically closest to Amerindians.[citation needed]". Is that enough to answer the question?