Categories
Chromosome Mapping Inferred Chromosome Mapping Tools

A new feature in the inferred segments generator

Launched in late 2020, the inferred segments generator helps users calculate the segments they can infer from the DNA their close relatives share with others. This can be a confusing concept. I recently added a small additional feature to the tool that can help you infer segments from a grandparent.

Continue reading

Categories
Chromosome Mapping Inferred Chromosome Mapping

Interpreting inferred segments: a full aunt

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

Continue reading

Categories
Chromosome Mapping Inferred Chromosome Mapping Tips Tools

More tips for inferred chromosome mapping

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.

Continue reading

Categories
Chromosome Mapping Concepts Inferred Chromosome Mapping Tips

Painting your DNA with inferred matches

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

Continue reading