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DNA & A Question of Paternity: Part 3 – Identifying Autosomal Matches

After putting together Bob’s maternal and paternal family tree (according to paper records), I took a closer look at his autosomal DNA matches to see how they compared.

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DNA & A Question of Paternity: Part 2 – Starting with what we knew

Last week, I introduced a project I have been working on to try to use DNA to learn about the paternal ancestry of someone who wasn’t sure of their father’s identity. As I mentioned before, I won’t use any real names here; I’ll call the person testing “Bob.” We ordered tests, sent in saliva, waited,... Continue Reading →

Questioning the Question

Thinking carefully about a research question before diving in can help to a) highlight what I already know and b) define what, precisely, I want to answer with my research.

Chromosome Mapping – A First Pass

I’ve seen some of the wonderful chromosome mapping images that others have generated, but I hadn’t yet gotten around to mapping any of my own DNA. Letting the perfect being the enemy of the good, I figured I hadn’t done enough analysis to be ready to map my own data yet. This week, I gave it a try.

Try to Prove Yourself Wrong

If we honestly try to find flaws in our assumptions and in our theories with every piece of evidence we examine, and if our hypothesis stands, then we can feel much more confident that we have come to a reasonable conclusion.

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