GENEALOGY-DNA-L ArchivesArchiver > GENEALOGY-DNA > 2008-12 > 1230021240
From: "David Faux" <>
Subject: Re: [DNA] Trying to better understand the X chromosome
Date: Tue, 23 Dec 2008 00:34:00 -0800
I updated the pdf noted below.
In addition there is a new article out which is summarized on Dienekes's
David K. Faux.
On 12/22/08, David Faux <> wrote:
> Many of us are now trying to grasp the essentials of the way the "X
> works". I have found out a great deal more in the last few days that allow
> me to predict how much of each ancestor is likely to "be found" in my X
> (probability only with large confidence intervals - except for two very
> stable regions), and how much I likely passed on to my daughter's daughter.
> Here is a preliminary reading list:
> A couple of the best articles will be added in the next day or two,
> including two that will answer the question Anders posed about the stability
> of the centromere (circa 60 Mb from the tip of the p arm), but also another
> region about half way down the extent of the X at 80 Mb - significantly
> fewer crossovers in these two regions. More specifics on this later
> including the number of SNPs decodeme and 23andme test in these relatively
> stable regions.
> David K. Faux.
> On 12/22/08, Peter J. Roberts <> wrote:
>> A male inherits one of his mother's two X chromosomes. The mother got
>> one X from her father and one X from her mother. While the mother had those
>> two X's, they swapped some portions/blocks. Do we know how big those
>> portions usually are and how many portions usually get traded? Do you know
>> where I can find a simple answer?
>> Thanks and sincerely, Peter
>> Peter J. Roberts
|Re: [DNA] Trying to better understand the X chromosome by "David Faux" <>|