Author Archives: mjordan

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

Posted in DNA | 2 Comments

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

Posted in DNA | Tagged , , ,

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

Posted in DNA | Tagged ,

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

Posted in DNA | Tagged , , | 2 Comments

Genetic Genealogy – my personal update

Having been involved in using DNA or genetic genealogy (as it is termed these days) in family history for over 16 years, I haven’t blogged very much on the topic but I hope to change that in 2017! As we … Continue reading

Posted in Uncategorized

More on Cork RC Parish records

This posting is a follow up to previous postings relating to the “black hole” in availability of online church records for genealogical purposes, in Cork City and surrounds. I decided to write this post because I feel that people are … Continue reading

Posted in Cork Genealogy | Tagged , | 7 Comments

A Giant Step Forward for Irish Genealogy

I am so thrilled that the National Library of Ireland has seen fit to provide online, free access to the images of the microfilm of the Catholic Church records, which it has in its archives. These online church records can … Continue reading

Posted in Uncategorized | Tagged , , , | 8 Comments