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Archiver > GENEALOGY-DNA > 2005-06 > 1118928181


From: Robert Stafford <>
Subject: Re: [DNA] Questions about Biotix conventions
Date: Thu, 16 Jun 2005 06:23:01 -0700 (PDT)
In-Reply-To: <42B172C5.3060203@biotix.de>


Thomas,

SMGF subtracts 1 from RG to get their values.

SMGF counts the TAGA repeats only. See:

http://smgf.org/marker_data.html#DYS461

RG may want to comment, but from their press release, we know they also count CAGA. The certificate for SRM2395 shows that CAGA is also counted. See p. 5:

https://srmors.nist.gov/certificates/2395.pdf?CFID=1525368&CFTOKEN=9f800b050560a9d2-84C8AE12-9860-43F5-A5092A0DF0D46533&jsessionid=b430d18475af7a793e7c

Bob Stafford

Thomas Krahn <> wrote:
Dear Robert,

I actually don't know exactly, how RG calls the DYS461 marker. Maybe
they can comment on their own. From the SMGF.org YSTR database, there
seems to be a conversion of +1 from RG (after 29 June 2004) to the SMGF
value. SMGF uses the NIST standard. Maybe they could also comment on the
values for the European standard DNA cell-line 9948.

Thomas

Robert Stafford wrote:
> Thomas,
>
> RG states in this press release that they are using the NIST nomenclature in the "well documented set of instructions that come with the purchase of the SRM2395:"
>
> http://relativegenetics.mmaweb.net/landing_page.jsp?page_id=64
>
> This is presumably what would be called NIST, so I wonder why there would be a difference. RG had to add 1 to their pre-June 25, 2004 results because of this.
>
> FTDNA doesn't test DYS461, but Y-Search uses RG/DNAH values.
>
> Bob Stafford
>
> Thomas Krahn wrote:
> Yes, all markers except DYS461, DYS463 and Y-GATA-H4 should be
> synchronized with FTDNA. We use NIST / ISFG nomenclature.
> The conversion formula are:
>
> DYS461 (NIST) + 1 = DYS461 (DNA-H, FT-DNA, RelGen)
> DYS463 (NIST) - 2 = DYS463 (DNA-H, RelGen) ; FTDNA unknown.
> Y-GATA-H4 (NIST, DNA-H, RelGen) - 1 = Y-GATA-H4 (FT-DNA)
>
>
>
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