Comments on: Q&A: Everyone Has Two Family Trees – A Genealogical Tree and a Genetic Tree

By: How Many Ancestors Share Our DNA? « Genetic Inference

How Many Ancestors Share Our DNA? « Genetic Inference — Sun, 22 Aug 2010 09:55:29 +0000

[...] at the Genetic Genealogist, Blaine Bettinger has a Q&A post up about the difference between a genetic tree and a genealogical tree. The destinction is that [...]

By: Dora Smith

Dora Smith — Tue, 17 Aug 2010 16:14:56 +0000

Question; what do you say to 23andMe’s claim that what changes across generations is not the relative number of shared segments, but their size? With every generation the segments of shared DNA get smaller because of being progressively chopped up. So that if you’re fourth or fifth cousins, you ought to share a segment that is so big.

By: Kal Spencer

Kal Spencer — Thu, 25 Feb 2010 19:25:50 +0000

I have been doing genealogy for a number of years and was just looking into DNA testing to try and piece togther some distant relatives. Thus is the first time I had ever heard of having a genetic tree. Now that I understand it I am looking forward tot ehday we can have whole-genome testing available to us.

By: Kathleen Brandt

Kathleen Brandt — Mon, 25 Jan 2010 00:59:02 +0000

Thanks for this info. Will need to reread when my mind is fresh, but printed it for early morning. Need to make sure I grasp all!

By: Sanjay Maharaj

Sanjay Maharaj — Fri, 22 Jan 2010 20:03:04 +0000

The genetic tree should be a very interesting project constructing your very own genetic tree. Exciting things to come

By: Zalewski Family Genealogy » Blog Archive » Follow Friday

Zalewski Family Genealogy » Blog Archive » Follow Friday — Thu, 21 Jan 2010 23:38:00 +0000

[...] and your Genetic Tree and how they each may help you find information about the other one. Read his Q&A: Everyone Has Two Family Trees â€“ A Genealogical Tree and a Genetic Tree [...]

By: Victor

Victor — Fri, 01 Jan 2010 18:41:07 +0000

Blaine,
Surfing for similar topics I came upon another blog (Luke Jostins’) that presents an answer to the last two questions in your post above. See it here:
How many ancestors share our DNA?
http://www.genetic-inference.co.uk/blog/?p=728#more-728

By: race/history/evolution notes: Megan Smolenyak on 23andMe's Relative Finder

race/history/evolution notes: Megan Smolenyak on 23andMe's Relative Finder — Fri, 20 Nov 2009 02:16:18 +0000

[...] ancestry of genes. Also see Genealogical vs. genetic ancestors and Blaine Bettinger’s post on genealogical and genetic trees. While Relative Finder will uncover the occasional surprising distant relationship, mostly it will [...]

By: Apple's Tree: Weekly Rewind

Apple's Tree: Weekly Rewind — Sat, 14 Nov 2009 18:18:19 +0000

[...] subject but that’s OK because the brilliant, Dr. Blaine Bettinger continues to teach me. Check out Everyone Has Two Family Trees – A Genealogical Tree and a Genetic Tree at The Genetic Genealogist. – And while you are there congratulate Blaine on passing the Bar [...]

By: fejes.ca: Article Roundup - November 9-11, 2009

fejes.ca: Article Roundup - November 9-11, 2009 — Fri, 13 Nov 2009 05:25:02 +0000

[...] between DTC genotyping risks – LinkThe difference between Genetic and Genealogical family trees – LinkHelicos no longer selling itself – LinkResearchMatch: an NIH resource to link volunteers with [...]