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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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Every step Tips

Register at DNA Painter: every step

Here is a step-by-step guide on how to register at DNA Painter by creating a free user account. Step 1: Navigate to the form Go to dnapainter.com and click ‘Register’ in the top right corner in order to reach the registration page. Step 2: Fill out the form to register at DNA Painter Enter your

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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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Tips Tools

Estimating cMs for a segment of DNA

This article introduces a simple new tool for calculating the number of cMs in a segment of DNA

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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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New Features Tips

Introducing the updated shared cM tool

The day has arrived! Version 4 of the Shared cM project is now out, and there’s an updated shared cM tool as well. Since 2015, Blaine Bettinger has been crowd-sourcing data on the number of centimorgans (cMs) of DNA shared for known relationships. The result is an incredibly useful dataset that helps genealogists start to

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New Features Tips Trees

Bringing Y, mt and mitoYDNA into DNA Painter trees

A quick post to announce two updates to DNA Painter trees. These include mitoYDNA.org integration and the ability to view your tree with additional display options. Display options Under the settings cog/gear on the right there are now a number of display options. These give you the ability to view additional information within the tree

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Tips Trees

Eight ways you can use ancestral trees at DNA Painter

DNA Painter is known for chromosome mapping, but also includes ancestral trees, a useful interface for visualizing your family line (aka pedigree). To create your ancestral tree, you can select your GEDCOM file and have DNA Painter extract your direct line. Or if you prefer, you can enter it manually. Trees are private by default

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