DNA & A Question of Paternity: Part 7 – Bringing the evidence together

For the past several weeks, I’ve been describing a project for which I used various types of analysis to attempt to clarify the uncertain paternal ancestry of someone I’m calling “Bob” (all names in these posts have been changed for privacy). In this post, I’ll summarize the results of the analyses in the previous posts... Continue Reading →

DNA & A Question of Paternity: Part 6 – Statistically testing hypothetical relationships

To predict the most likely locations for someone in a family tree (relative to DNA matches with a common ancestor), I've used the What Are The Odds? Tool to thoroughly test hypothetical trees and determine more or less likely relationships. As a complement to documentary research of a family, this has helped me narrow down paternal candidates for someone with uncertain genetic ancestry.

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.

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