Ancestry

1 - 10 of 17 Answers

August 24, 2017: My sister and I did ancestry.com and she was put into a genetic community and I was not. Does this mean we are not as closely related as we think?
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May 17, 2017: My twins each did a 23andMe DNA test and the results verified that they are identical; however, their ancestry composition is not! How is that possible if their genomes are identical?
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January 31, 2017: My ethnicity results state I’m 51% Italian. Would both of my parents need to be Italian? If neither parents are 100%? 
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September 15, 2015: I have seen a lot of articles lately saying that genetics proves the existence of the Biblical Adam and Eve. Is this true?
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September 1, 2015: Shouldn’t my sister and I have the same ancestry results for our DNA? We have the same parents.
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July 23, 2014: I understand that everybody except sub-Saharan Africans has 2 to 4% Neanderthal genes. So they differ from pure Africans by this large amount. We differ from chimpanzees by 1.2%. How can this possibly be?
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December 5, 2013: I recently saw a YouTube video about a white supremacist who took a genetic test and found out he was 14% sub-Saharan African.  What does that percentage mean?  When I listened to the video, the man said it was just statistical noise.  Could it have been?
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June 19, 2013: I recently did an ancestry test.  I came out as 0.5% African but my sister came out with no African.  Shouldn’t she be 0.5% too?
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March 14, 2013: Does the existence of Mitochondrial Eve mean there was a time on Earth when there was just one woman?  Does Y-Adam mean the same thing for men?
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July 3, 2012: Would someone from the time of Jesus Christ or Alexander the Great have noticeable genetic differences (from modern humans) to the trained eye? If not, how far back in human history would you have to go before a geneticist would spot those differences?
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