Race, Ancestry, and Relatedness
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April 13, 2017:
My sister and I had our DNA tested. We were raised with the same mother and same father - both are deceased. There has been talk in the family that we have different fathers.
Our ancestry test came back similar; however, we are not sure how much difference there should be in the percentages. For example: I am 50% Great Britain my sister is 39%, I am 10% Scandinavia my sister is 28% and other differences are 1 - 3%
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%?
January 17, 2017:
How likely is a test from 23andMe or Ancestry.com to see if two people are third cousins? What about fifth cousins?
January 4, 2017:
Is there any way to tell if someone is the product of incest like father/daughter by just looking at their DNA? Not testing the parents?
June 15, 2016:
Can my brother's son (my nephew) and I share less than 25% DNA? We were both tested and it shows us sharing 16% of our DNA which the test says makes us first cousins.
May 24, 2016:
Neanderthal DNA analysis has shown that they were very in-bred. Has the DNA of Homo sapiens shown that they too were very in-bred and if so when did in-breeding stop?
May 12, 2016:
My mother and I both had DNA tests and our results turned out a bit different. She is related to someone as a 4th-6th cousin and I am not. Since she is my mom, shouldn’t we both be related to her?
April 22, 2016:
I am a woman with two half-sisters and a half-brother. My half siblings are full siblings to each other. We share the same father and different mothers. Is it likely I am more related to my half-sisters than my half-brother?
March 15, 2016:
My cousin (who is 6 months older than me) and I are in love with each other. I heard that there may be a chance of genetic disorders in the next generation if we both marry.
Actually his father and my grandmother are brother and sister. My cousin had a problem with his eye...not a very big problem but one of his eyes is smaller.
Now if I marry him is there any chance of happening the same thing to my next generation?
January 7, 2016:
What is the best test for showing that two people are half siblings if only the two half siblings are available for testing?
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