- ADVERTISEMENT ABOVE -
Project participants BR02, BR09, BR10, BR27, and BR29 all descend from Nicholas' son LUDWIG BRICKER by Nicholas' first wife Elizabeth. Participant BR15 descends from CHRISTOPHER BRICKER, BR01 descends from son ANTHONY BRICKER, and participant BR03 descends from son JOHN BRICKER, all three from Nicholas' marriage to his second wife Anna Maria.
Five of the participants have now chosen to upgrade their results to 25 markers, see below. As a result, at that higher level of resolution each of them has evidence that he possesses an extended haplotype which is different from the other three men. This information allows them, and other descendents of Nicholas Bricker, to begin to genetically differentiate those who are from the different branches of this Bricker line.
In the family tree above, Project participant BR10 is given a blue box because the color blue here indicates that he has an allele value of 31 at marker DYS 449 in his Y-chromosome, see chart below, which is not present in the Y-chromosomes of neither participants BR09, BR02, BR29, or BR03, all of whom have a value of 30 instead. At some point in BR10's line of descent, one of his direct male Bricker ancestors or even BR10 himself had a harmless mutation in his Y-chromosome that resulted in a value of 31 instead of 30 as his father had. What we don't know yet is at what generation that change happened.
Similarly, participant BR09 is given a green box in the family tree because the color green is meant to indicate that he has present in his Y-chromosome an allele value of 16 at marker DYS 385b, unlike participants BR10, BR02, BR29, and BR03, all of whom have a value of 15 at that marker, as shown below. Again, we cannot tell at what generation the value of 15 became 16 in this branch of the family, but we can say that it's extremely likely that all male Brickers who descend from the man who first had this new value of 16 also have that value of 16, which would be revealed by DNA testing.
Participant BR03 is given a pink box in the tree because the color pink indicates he has present in his Y-chromosome an allele value of 14 at marker DYS 437, unlike participants BR10, BR09, BR29, and BR02, all of whom have a value of 15 at that marker, again as shown below.
Participant BR29 is given a lavender-colored box in the tree because that color indicates he has an additional marker on his Y-chromosome at DYS 469c, with an allele value of 9, that the other four participants tested at this level of resolution, BR02, BR03, BR09, and BR10, do not have.
The yellow boxes above on the tree means that BR02 and all his Bricker male ancestors directly back to Ludwig probably have had the very same haplotype that Ludwig himself had, at least at the 25-marker level. This is likely because we can see in the haplotype comparison below that every one of BR02's alleles at all 25 markers is shared by at least two of the three other men whose DNA results were also upgraded to 25 markers. Because BR02's direct line of descent from Ludwig has had no distinct mutations which could have occurred in any generation, at least with regard to the results we see at the 25-marker level, he has what is called a genetic distance of zero from Ludwig.
Further, and most importantly, the yellow indicates Nicholas' original haplotype as well. A comparison of the extended haplotypes of BR03 and BR29, both descendents of Nicholas' son John by second wife Anna Maria, indicates that John would not have had DYS 459c, as BR29 today does, because BR03 did not also inherit it from John, and John would also not have had the same mutation at DYS 437 as BR03 today has, because BR29 did not also inherit it from John. John therefore shares all the same allele values at 37 markers with his step-brother Ludwig, which means that very likely Nicholas passed them down to most if not all of his sons by both his first wife Elisabeth and second wife Anna Maria.
BR09 does not appear to have any allele values at DYS 464e and DYS 464f. This might be still another genetic distinction between BR09 and the branches of participants BR02, BR03, BR10, and BR29.
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