Phylogenetic Tree - Haplogroup R1b1c
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Phylogenetic Tree:

Haplogroups identify a sequential collection of markers that are contained within an individuals DNA, and evolutionary trees like the one shown below are used to show how markers in the DNA evolve over time. 


In the image below, the information shown is controlled and created by the ISOGG (International Society of Genetic Genealogy) and is available on this web page Y-DNA Haplogroup R and its SubcladesThis tree image shows how our branch of the Rines surname is determined.  This last statement assumes that my lineage, and other Rines males, have not experienced an ancestral grafting event.

Click on image to see a larger image in a separate window.

In the image above the direction of the red line connecting the various markers, creates a sequential classification of R1b1c, and the direction the red line takes is determined by SNP (Single Nucleotide Polymorphism) results. 


For this haplogroup, the classification begins at marker M207 (R) and stops when all the known sequential pairs have returned results (Positive, Negative or Null).  In my case the classification has a temporary stop at M269 (c).  It stops at M269 because the testing hasn't been completed on all of the remaining markers shown to the right of M269. 


For example, markers above the red line location in black have all returned a negative result.  Markers above the red line in light-green haven't returned a result yet.  Markers below the red line are newly added markers to this haplogroup listing and are not in the scheduled test currently being performed.  New markers will get tested to improve resolution when one or more individuals in the growing searchable databases identifies individuals as being a reasonably close relative.


While no geographical or ethnic classification can be excluded from a haplogroup, geographical areas usually have a dominant or high percentage of a few haplogroup classifications.  Other haplogroups in that area may have no representation, or only a very small percentage of other haplogroups.  This knowledge of where a haplogroup is dominant can help a genealogist focus their search efforts when trying to extend a familial line.


Haplogroups can also reduce the number of people an individual compares their data record against when looking for close genetic matches.

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Last modified: Wednesday, November 15, 2006 01:29:26 PM