http://blog.ancestraldata.com en-us 24 August 2025 http://blog.ancestraldata.com/viewer.pl?2025-08-24-AnchorSNPs.html Father's pass down one hundred percent of their Y chromosome to all sons. It's a virtual clone. But there's a catch. A mutation occurs in this continually-running genetic st...; 13 June 2025 http://blog.ancestraldata.com/viewer.pl?2025-06-13-OpenY.html It has long been a wish within the genetic genealogy community that the major Y-DNA databases become integrated in order to provide a more complete and compatible dataset. Several attempts have failed...; 31 July 2024 http://blog.ancestraldata.com/viewer.pl?2024-07-31-Bennett.html The genealogy for Richard Bennett (1608-1676), the first commonwealth governor of Virginia during the English Civil Wars, began gelling in the 1930s. Scholarly writers such as Archibald Bennett, John ...; 29 March 2024 http://blog.ancestraldata.com/viewer.pl?2024-03-29-YP4248.html The seed of the R1a-YP4248 Project was planted years ago by four Big Y testers: a Hackett, followed by Don Cooley, myself, and then a Cochran. With that, the YP4248 haplogroup emerged and its only kno...; 06 December 2022 http://blog.ancestraldata.com/viewer.pl?2022-12-06-Bennett.html Both English and Jamestown records inform that Governor Richard Bennett (c1608-1675) of Virginia was born at Wiveliscombe, Somerset, England in about 1608.1 There are four baptismal records for him, a...; 09 August 2022 http://blog.ancestraldata.com/viewer.pl?2022-08-09-TPettit.html New Big Y results for the Pettit-Mellows Y-DNA Project have arrived for kit #157822, a descendant of Andrew Pettit (1716-1748). Andrew was a grandson of Nathaniel I (c1645-c1718) and great grandson of...; 17 July 2022 http://blog.ancestraldata.com/viewer.pl?2022-07-17-YP4248.html The R1a-YP4248 project is named for the YP4248 marker, a single-point mutation at position 7662815 of the Y chromosome. Simply, a molecule of guanine (G) became a thymine (T) molecule at the birth of ...; 22 February 2022 http://blog.ancestraldata.com/viewer.pl?2022-02-22-STRs.html Two things first. The Y chromosome, for reason that it carries the male sex gene (SRY), is inherited only by males from their fathers and can be tested only by men. It holds genetic markers that are u...; 21 September 2021 http://blog.ancestraldata.com/viewer.pl?2021-09-21-Pettit.html The story has been told before. Still, briefly......; 09 August 2021 http://blog.ancestraldata.com/viewer.pl?2021-08-09-CF10.html The CF10 Cooleys have long been of interest to me due to "researchers" having conflated this family with my own CF01 Cooleys, as well as several others. I wrote a brief article about...; 12 July 2021 http://blog.ancestraldata.com/viewer.pl?2021-07-12-Cochran01.html My interest in Cochran Group 01 derives from the fact that we share the same haplogroup, R1a-YP4248, despite a distance — genetically and genealogically — of more than a thousand y...; 26 June 2021 http://blog.ancestraldata.com/viewer.pl?2021-06-26-CF01.html Progress on this group has been stalled for quite a long time, despite my personal interest in it (it's my Y chromosomal genetic tribe). However, if mere interest is all that is needed to mak...; 20 March 2021 http://blog.ancestraldata.com/viewer.pl?2021-03-20-YP4248.html The R1a-YP4248 Subclade Project opened its doors about a year ago. Because I'd already been the administrator for several surname projects associated with it (Cochran, Cooley, Hackett, and Wh...; 09 March 2021 http://blog.ancestraldata.com/viewer.pl?2021-03-09-Southard.html Most testers in the SF01 group of the Southard (etc) DNA Project have drawn their lineage back to Thomas Southard, believed to have been born at Leiden in 1615. The first Big Y tester in the group, ki...; 28 November 2020 http://blog.ancestraldata.com/viewer.pl?2020-11-28-Akins.html The names of our patrilineal ancestors are not engraved in the Y chromosome, but their Y-DNA markers are. Our objective is to sort them out and find the point at which the genetics and the genealogy d...;