An interesting DNA match to my mother-in-law Lynn* and her maternal aunt (Ann) appeared this week. In this article I’ll review how I interpreted their match with Tom alongside methods for interpreting inferred segments when working with a full aunt: What can I infer about Lynn’s DNA from the segments her aunt Ann shares with
In this follow-up article I discuss inferred chromosome mapping in more detail, also introducing a new tool I’ve created to make the process easier.
This article first appeared on the Medium website but has been moved to this blog… Chromosome mapping is the process of using the data from matches to assign segments of your chromosomes to specific ancestors — from grandparents to more distant forebears. DNA Painter is a simple web-based tool for chromosome mapping that I built