Archiver > GENEALOGY-DNA > 2010-03 > 1267547770

From: Barbara Stabley <>
Subject: Re: [DNA] DYS464X and DYF399X
Date: Tue, 2 Mar 2010 08:36:10 -0800 (PST)

I was waiting for this to come up, so I could ask about my son's test results for DYS 464X, which are 15c 16g 16g 17c.  He tests R1b1b2a1b5 and belongs to the L21 plus and R-P312 projects.  His L226 result was negative. FTDNA Kit # 149770.  His father or grandfather were a NPE, so the surname is irrelevant.  Are there other tests I should do for him?   The 399X?   The Family Finder test is on my future list.
Barb Stabley
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Message: 10
Date: Tue, 2 Mar 2010 10:05:59 -0500
From: John S Walden <>
Subject: Re: [DNA] DYS464X and DYF399X
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My Waltz ancestors are J2a1  with DYS464x of 12g 13g 13g 16g (today)
gggg is the modal for all haplogroups other than R1b where most are cccg

There is a recLOH mutation that changes the g and c values
this mutation is more frequent than a SNP but much less frequent than an STR

I estimate the R1b modal for 399x  to be 22t  24c 26.1t - but will little
data to confirm.
I have no data on J
If I remember correctly the mutation rate for 399x was estimated at ,03
I am not sure if that is per sub-marker or for all 3 of the markers together
I do not have enough data to tell.
399x is said to be good for sorting branches of family trees but not for J2

I sure wish FTDNA would include the Advanced markers on the project yresults

John W

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