Tag Archives: chromosome.mapping

Giving Thanks (DNA Painter)

In the United States, we celebrate a day of thanks every November. So, this month’s post deals with something I am thankful for in the genetic genealogy community. There are SO MANY people here who deserve our gratitude: citizen scientists, search angels who help adoptees, folks who answer newbies’ questions on social media, kin who graciously agree to take a DNA test… it was hard to pick one.

In the end, I decided to write my thanks to someone who has recently developed and shared an amazing (and free!) new DNA tool: Jonny Perl and his DNA Painter.

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Chromosome mapping with siblings – part 2

Last month when we left off, we were comparing three siblings’ DNA on chromosome 11, which produced the following ‘map’.  See Image 1. (If you’re just joining us, please see Chromosome mapping with siblings, part 1 first.)

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Chromosome Mapping with siblings – part 1

This month – another post on testing siblings and on using GEDmatch.

Sometimes, having siblings’ DNA tested is a real treat—such as when one of them connects to a distant cousin still residing in Ireland, just a few kilometers from where my ancestors came from. But sometimes—playing with sibling DNA can be a real challenge! Case in point: Chromosome mapping with three siblings. This is advanced stuff, yo.

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