Widespread DNA testing has shed light on the ancestry of millions of Americans. But these services have limitations, and the results can be uncertain.
from iFeeltech IT News Mix4 https://www.nytimes.com/2017/08/28/science/dna-tests-ancestry.html?partner=rss&emc=rss
from
https://ifeeltechinc.wordpress.com/2017/08/28/with-a-simple-dna-test-family-histories-are-rewritten/
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