Genetic Testing

1 - 10 of 49 Answers

March 21, 2017: I just got my results back from 23andMe and I was wondering how they link the genetic markers to the diseases, the ones where I have a predisposition for that disease. 
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August 10, 2016: Is there mitochondrial DNA in human fingerprints? If yes, can it be used to identify a human being?
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March 30, 2016: I belong to 23andMe (DNA testing site) and have always wondered why it said I am more likely to have blue eyes. They use SNP: rs1393350 where I am a GG and rs12896399 where I am a TT. However, I have dark green eyes. Why do my SNPS that determine eye color basically say I should have had blue eyes when I clearly do not?
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January 12, 2016: We recently got paternity results back saying that a child was my husband’s daughter. But it turns out that unknown to us when we did the testing, my husband’s brother could also have been the father. The testing company says that we need to have his brother tested to confirm that my husband is indeed the father but his brother refuses to get tested. What are our options?
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August 19, 2015: Can an X linked deficiency from a mother be avoided through PGD (Preimplantation Genetic Diagnosis)? 
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February 25, 2015: Can you tell someone's age from their DNA?
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February 13, 2015: My wife and I recently went to a fertility clinic and we are worried they may have implanted the wrong embryo. We both have an A blood type and our child has an AB blood type which I have read is impossible. How can we determine what is going on?
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October 8, 2014: I have heard that if a man matches at only 13 out of 15 markers on a paternity test, he can be ruled out as the dad. Is that true?
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July 9, 2014: My teammates and I are doing an interdisciplinary project on human genome mapping and we can’t seem to understand the method of human genome mapping.  How is a human genome mapping performed?
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May 7, 2014: I had a karyotype performed in the early 1980s to rule out Turner syndrome. How accurate were karyotypes done at that time? If I am having some issues with infertility should I have this test performed again?
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