As part of your ongoing DNA work, you might sometimes like to merge chromosome maps together or use data from one map in another. In this post I recap on the different ways you can duplicate and copy data between chromosome maps.
Author: Jonny Perl
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Distinct segment generator
As announced last month in the newsletter, the new distinct segment generator tool allows you to amalgamate a set of segments that more than one family member shares with a specific match. The tool will then output just the distinct segments, with the centimorgans (cMs) recalculated.
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.
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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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.
There’s a new feature in the Shared cM Project tool. You can now view the list of potential relationships for a specific number of cM shared in a tree format. Here are some notes on how this new feature works.
As someone who logs on to each DNA testing site several times per week, I’m offering up my thoughts on the strengths and weaknesses of each.
I recently added a new feature to WATO following a user suggestion. Here is a quick update explaining how you can use this to find Y-DNA and mtDNA testers.
I am pleased to announce the launch of dimensions, a new feature within ancestral trees at DNA Painter. Ancestral trees allow you to extract and visualise your direct line in a tree, fan chart and text pedigree, all within one searchable page.
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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.