Categories
Chromosome Mapping Opinion

Am I actually a Dutchman?

AncestryDNA have just launched their latest ancestral populations update. One of the changes I can see is that I’m now considered to be 7% Dutch. I could just smile about this and ponder whether it influenced me moving to Amsterdam as young man. But since AncestryDNA have also updated their Chromosome Painter, I can also analyze it in a bit more detail.

Continue reading

Categories
Chromosome Mapping Did you know? Tips Trees WATO

You can import GEDCOM and segment data: did you know? #6

In this post I will explain how you can import GEDCOM and segment data into the site. As a reminder, DNA Painter does not use raw DNA data.

Continue reading

Categories
Chromosome Mapping New Features

New: Showcase your roots with Y & mtDNA in your chromosome map

There’s a new feature within DNA Painter that lets you add Y and mtDNA information to your chromosome map. This post explains how to do it.

Continue reading

Categories
Chromosome Mapping

Segment data: what’s going on?

In early October 2023, it emerged that a bad actor had used stolen passwords to gain unauthorized access to 23andMe accounts. This has had some knock-on effects, and the situation with segment data has changed: Luckily we can still get segment data from everywhere except 23andMe (and AncestryDNA, where it was never available in the

Continue reading

Categories
Chromosome Mapping Did you know? Tips

Different views in your chromosome map: did you know? #5

The fifth post in a series aiming to surface features at DNA Painter that you might not be aware of. This time I’m focusing on different views within your chromosome map.

Continue reading

Categories
Chromosome Mapping Tips

The new Living DNA chromosome browser

Today, the British testing company Living DNA announced that they’ve added a chromosome browser. In this post I’ll explain what the new feature does and give my first impressions of this first release. I’ll also explain how you can use this data in your DNA Painter chromosome map.

Continue reading

Categories
Chromosome Mapping Guest posts Inferred Chromosome Mapping Tips

Reconstructing Grammy’s DNA

For my latest guest post, I’m pleased to welcome Tanner Tolman, a professional genealogist based in Utah. Tanner has successfully achieved something that’s a holy grail for many genealogists: reconstructing someone’s DNA based on the DNA of their descendants. Tanner has written a detailed account of the steps he had to go through in the process of DNA reconstruction for his wife’s grandmother.

Continue reading

Categories
Chromosome Mapping Did you know? Tips

Customizing your chromosome map: did you know? #4

The fourth post in a series aiming to surface features at DNA Painter that you might not be aware of. This time I’m focusing on display options for your chromosome map.

Continue reading

Categories
Chromosome Mapping New Features

Finally! A cM slider for chromosome maps

Several years after it was first requested, I have recently released a simple ‘cM slider’ as an option that can be turned on in any chromosome map at DNA Painter.

Continue reading

Categories
Chromosome Mapping New Features

New gridlines and enhanced chromosome view in maps

This article introduces some improvements to chromosome maps at DNA Painter, including options to turn on megabase gridlines, improved keyline labelling and a redesigned individual chromosome view.

Continue reading