Category Archives: DNA

Whole Genome Sequencing – Next Step?

The first human genome was sequenced in April 2003: Human Genome Project This achievement is celebrated annually on DNA DAY, 25th April. Also celebrated on DNA DAY is the discovery of the double-helix structure of the chromosome by Francis Crick and … Continue reading

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Is yDNA Going out of Fashion?

  We have 23 pairs of chromosomes in each cell. 22 pairs of chromosomes are autosomal (atDNA) and one pair is sex chromosomes. Two X’s for female and one X and one Y for male. I see a huge swell … Continue reading

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Spreading your Autosomal DNA Around

As I write in March 2017, I can say that I have done autosomal DNA testing with Family Tree DNA (2011), Ancestry (2015) and 23andme (2016). I have uploaded my autosomal raw data to Gedmatch (2011), DNA Land (2016), My Heritage (2017) for free. Also, Living DNA have … Continue reading

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My Ancestry Estimates

Just for the fun of it, I have posted screen shots of the estimates of my ethnicity from three testing companies. For the record, I describe myself as half Irish and half Welsh (UK) as my father was Irish and … Continue reading

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Why We Need Gedmatch!

I don’t blog often but I felt that I needed to get the following off my chest, so to speak. There are three main autosomal DNA testing companies for genetic genealogy: AncestryDNA, 23&Me and Family Tree DNA. Gedmatch.com is a … Continue reading

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Genetic Genealogy Ireland Conference in October 2013!

In October 2013, Ireland will have its first Genetic Genealogy Conference. This will take place as part of the Back to Our Past event in the RDS, Dublin, from the 18th to the 20th October 2013. The conference is a … Continue reading

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Autosomal DNA testing – A Few Thoughts from Ireland

Several companies do autosomal DNA testing for genealogical purposes including Family Tree DNA, Ancestry.com, 23andMe and the Genographic Project Geno 2.0. ISOGG has a very useful comparison chart put together by Tim Janzen: ISOGG Autosomal DNA Comparison Chart. I have used … Continue reading

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