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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

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Chromosome Mapping Tips WATO

Top recurring FAQs

I’ve just released a new homepage with a succinct summary of what you can do at DNA Painter. In addition to this, I’m presenting this new page answering some of the questions that come up again and again.

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Chromosome Mapping Tools

Common segment generator

I finally DNA-tested my children and got the results recently. This has been fascinating and I’m sure I’ll be writing more about it in the coming months. While working to interpret their tests, I’ve created the common segment generator.

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Chromosome Mapping New Features

Latest DNA Painter updates: highlighting a match & more

I’m pleased to present some recent DNA Painter updates. I hope these small tweaks enhance your experience on the site.

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Chromosome Mapping Tips

Investigating a new DNA match

This post outlines how I recently evaluated shared segments when investigating a new DNA match. I also considered the conclusions I can draw by comparing the new match with other close relatives who have tested.

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Chromosome Mapping Every step Tips

Painting a match: every step

I have worked with computers almost every day since I started working in 1995. I’m aware that this isn’t the case for everyone, and that I inevitably have a tendency to gloss over certain technical details when explaining DNA Painter to people. This article is an attempt to correct this, with a guide to every step involved in mapping a match onto your chromosome map.

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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.

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Chromosome Mapping Tips

Why map your chromosomes?

Chromosome mapping has a dedicated following, but it might not be for everyone. So why map your chromosomes? In this article I’ll attempt to explain it concisely so you can figure out if it’s worth your time.

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Chromosome Mapping Tips

Chromosome mapping features you might have missed

Since DNA Painter first launched in 2017, lots of new features have been added. Some longstanding features are also quite well hidden! My thanks go out to everyone who has made recommendations. Here is quick run-through of some features you might have missed within chromosome maps.

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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

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