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Search: Posts Made By: Svein Davidsen
Forum: BIG Y and SNP Discovery 13th December 2017, 12:57 PM
Replies: 6
Views: 463
Posted By Svein Davidsen
I obviously have not read FTDNA's Big Y FAQ...

I obviously have not read FTDNA's Big Y FAQ thoroughly enough as I learnt from another thread that the new Big Y matching algorithm only allows 30 Non-Matching Variant before it rejects a possible...
Forum: BIG Y and SNP Discovery 10th December 2017, 08:40 AM
Replies: 6
Views: 463
Posted By Svein Davidsen
Thank you The_Contemplator. I think he had...

Thank you The_Contemplator.
I think he had taken Big Y, but cannot find my early records at the moment, but as I have had contact with this match I could only have got that through the initial Big...
Forum: BIG Y and SNP Discovery 10th December 2017, 08:33 AM
Replies: 4
Views: 453
Posted By Svein Davidsen
If your "odd" member has any Scandinavian...

If your "odd" member has any Scandinavian paternal ancestry this would be quite normal. The traditional Scandinavian naming convention change surname every generation.
Forum: BIG Y and SNP Discovery 8th December 2017, 04:19 PM
Replies: 6
Views: 463
Posted By Svein Davidsen
Known Big Y match not shown as match

My Big Y result is N-Y17416, which is one mutation down from N-FGC14542. I have 4 matches shown against FGC14542, but not the result for FTDNA ID 306389 shown on the FTDNA Swedish Project as having...
Forum: BIG Y and SNP Discovery 22nd November 2017, 04:17 PM
Replies: 10
Views: 469
Posted By Svein Davidsen
Thanks to everyone, specially Armando, for...

Thanks to everyone, specially Armando, for comprehensive and enlightening inputs.

I now need to follow-up on all the references to see if I can come any nearer to my aim of locating "Where and...
Forum: BIG Y and SNP Discovery 21st November 2017, 03:52 PM
Replies: 10
Views: 469
Posted By Svein Davidsen
What do you all think about this suggestion? ...

What do you all think about this suggestion?

I don't have access to the much larger FTDNA database of results for Hg N-L550 sub-clades, but I counted all the YFull sub-clade results posted on...
Forum: BIG Y and SNP Discovery 21st November 2017, 07:10 AM
Replies: 10
Views: 469
Posted By Svein Davidsen
Well argued Armando. I knew the ages were...

Well argued Armando.

I knew the ages were estimates, but I had not followed through the way you did. However, I still believe the estimates, while theoretically possible, are wrong. Average...
Forum: BIG Y and SNP Discovery 20th November 2017, 08:05 AM
Replies: 10
Views: 469
Posted By Svein Davidsen
YFull definition of "formed" & TMRCA

I need help to make sure I understand YFull’s definitions of “formed” age and TMRCA.

The definition as per their YFull FAQ is: Subclade "formed" age: The TMRCA (time to most recent common...
Forum: Scandinavian Y-DNA forum 6th November 2017, 01:20 PM
Replies: 1
Views: 1,077
Posted By Svein Davidsen
soderlundlaxives, Welcome to the FTDNA...

soderlundlaxives,

Welcome to the FTDNA discussion forum. This forum is mainly for discussions on DNA test results and possible genealogical conclusion based on these results.
Before any of the...
Forum: Grumbles & Gripes 26th October 2017, 12:11 PM
Replies: 16
Views: 2,142
Posted By Svein Davidsen
Received my new, build 38, Big Y results today,...

Received my new, build 38, Big Y results today, better than their worst estimate. No change in sub-clad, N-Y17416, nor any matches, as yet.

Had a brief look at the new chromosome browser, but...
Forum: Grumbles & Gripes 24th October 2017, 12:46 PM
Replies: 16
Views: 2,142
Posted By Svein Davidsen
Like most of you I'm still waiting for my...

Like most of you I'm still waiting for my recalculated/reconfigured Big Y results, but I just read something on another thread that I had not realised. With the new build 38 results the BAM file will...
Forum: Grumbles & Gripes 14th October 2017, 07:12 AM
Replies: 16
Views: 2,142
Posted By Svein Davidsen
I'm disappointed already! The scheduled...

I'm disappointed already!

The scheduled updated BigY results deadline suddenly slipped by a further 4 weeks!

NOT happy.
Forum: Grumbles & Gripes 11th October 2017, 05:20 AM
Replies: 16
Views: 2,142
Posted By Svein Davidsen
I'm sure you are correct The_Contemplator, but I...

I'm sure you are correct The_Contemplator, but I would have thought that for an organisation that provides a "Direct-to-Customer" service listening to what the customers say/write would be on page 1,...
Forum: Grumbles & Gripes 10th October 2017, 04:45 AM
Replies: 16
Views: 2,142
Posted By Svein Davidsen
I'm very pleased to see that FTDNA finally are...

I'm very pleased to see that FTDNA finally are doing something on the BigY matching - I hope we won't be disappointed! Just to be on the safe side I have downloaded all my current matches so I can...
Forum: BIG Y and SNP Discovery 22nd September 2017, 01:07 PM
Replies: 0
Views: 323
Posted By Svein Davidsen
Interpreting YFull HG and SNPs result page

On my YFull account under the "Hg and SNPs" tab I have
Y haplogroup: N-Y17113
Hg Variants: N-Y17113*, N-Y17415
Terminal SNP: 7 various FGC numbers + Y17113, Y17114, Y17115

On FTDNA I am...
Forum: Grumbles & Gripes 29th August 2017, 04:48 AM
Replies: 16
Views: 2,142
Posted By Svein Davidsen
Thank you for the response Broder Tuck, That...

Thank you for the response Broder Tuck,

That is the same conclusion I also came to. I guess one positive outcome of the inadequate FTDNA algorithm is that it forces us to do some research on our...
Forum: Grumbles & Gripes 21st August 2017, 04:12 PM
Replies: 16
Views: 2,142
Posted By Svein Davidsen
BigY Matching Algorithm

BigY matching algorithm
When will FTDNA improve/correct/replace its BigY matching algorithm? And update their Hg N phylogenetic tree?
I was very excited when I received my BigY test results...
Forum: Recreation Room 25th November 2016, 02:48 PM
Replies: 5
Views: 1,594
Posted By Svein Davidsen
I have been using the following programs for...

I have been using the following programs for generating phylogenetic trees

http://www.mymcgee.com/tools/yutility111.html plus Phylip, http://evolution.genetics.washington.edu/phylip.html

The...
Forum: Paternal Lineage (Y-DNA STR) Basics 8th November 2016, 03:11 PM
Replies: 2
Views: 1,649
Posted By Svein Davidsen
Sharon, If you use the Clan Donald TMRCA...

Sharon,
If you use the Clan Donald TMRCA calculator, http://clan-donald-usa.org/index.php/tmrca-calculator , it suggests 3 generations, but with a very low probability.

You really need more...
Forum: DNA and Genealogy for Beginners 8th May 2016, 12:32 PM
Replies: 12
Views: 2,368
Posted By Svein Davidsen
I have not heard of a single case where the...

I have not heard of a single case where the actual DNA genome has changed, but epigenetic modifications are well documented. So in one way Lamarck was correct, only he pointed to the wrong cause.
...
Forum: Scientific Papers 18th March 2016, 12:56 PM
Replies: 0
Views: 1,053
Posted By Svein Davidsen
Excavating Neandertal and Denisovan DNA from the genomes of Melanesian in

http://science.sciencemag.org/content/early/2016/03/16/science.aad9416.full

Interesting article - with Svante Pääbo among the authors. We are learning a little more about the Denisovans, but many,...
Forum: Group Administrators - Advanced Chat 11th March 2016, 02:29 PM
Replies: 14
Views: 2,070
Posted By Svein Davidsen
Thanks Igmayka, Another invaluable input -...

Thanks Igmayka,

Another invaluable input - more obscure law to study! So if the FTDNA database is located in USA, and the FB page I posted the data on is in the US, the post should be covered by...
Forum: Group Administrators - Advanced Chat 8th March 2016, 01:36 PM
Replies: 14
Views: 2,070
Posted By Svein Davidsen
Thank you "The Contemplator" for pointing out my...

Thank you "The Contemplator" for pointing out my error - I certainly meant to write " did NOT, and I was too late to edit the page by the time I read your post.

Regarding the point that I should...
Forum: Group Administrators - Advanced Chat 8th March 2016, 01:15 PM
Replies: 14
Views: 2,070
Posted By Svein Davidsen
Thank you Mr W, this is a new angle - need to...

Thank you Mr W, this is a new angle - need to think about what it actually implies.
Forum: Group Administrators - Advanced Chat 8th March 2016, 01:12 PM
Replies: 14
Views: 2,070
Posted By Svein Davidsen
I understand your concern Petra, but do you...

I understand your concern Petra, but do you understand that all this information is already available to anyone, member or not, who open the result page on any of FTDNA's Projects? Even "worse" if...
Showing results 1 to 25 of 129

 
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